/* ============================================================
   DPS INGENIEROS — hoja de estilos del sitio
   Base extraída de dpsingenieros.com (home) + añadidos de fichas.
   ============================================================ */
:root{
  --ink-900:#071C33;
  --navy:#0A3B69;
  --steel:#3E7CB1;
  --amber:#D98F2B;
  --paper:#F6F8FA;
  --paper-2:#EDF1F5;
  --slate:#5B6B7C;
  --line: rgba(10,59,105,0.14);
  --white:#FFFFFF;
  --radius: 2px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-900);
  font-family:'IBM Plex Sans', sans-serif;
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk', sans-serif;
  font-weight:600;
  margin:0;
  letter-spacing:-0.01em;
}
.mono{ font-family:'IBM Plex Mono', monospace; letter-spacing:0.02em; }
a{ color:inherit; text-decoration:none; }
.wrap{ max-width:1180px; margin:0 auto; padding:0 28px; }
img{ max-width:100%; display:block; }

/* Blueprint grid backdrop */
.blueprint{
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
}

/* ---------- NAV ---------- */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(246,248,250,0.92);
  backdrop-filter: blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 28px; max-width:1180px; margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:38px; width:auto; }
.brand-name{ font-family:'Space Grotesk'; font-weight:700; font-size:17px; color:var(--navy); letter-spacing:0.01em; }
.brand-tag{ font-family:'IBM Plex Mono'; font-size:10.5px; color:var(--slate); letter-spacing:0.08em; text-transform:uppercase; display:block; margin-top:-2px;}
nav.links{ display:flex; gap:32px; align-items:center; }
nav.links a{ font-size:14.5px; font-weight:500; color:var(--ink-900); position:relative; padding:4px 0; }
nav.links a:hover{ color:var(--navy); }
nav.links a::after{ content:""; position:absolute; left:0; right:0; bottom:0; height:2px; background:var(--amber); transform:scaleX(0); transition:transform .18s ease; }
nav.links a:hover::after{ transform:scaleX(1); }
.cta-btn{
  background:var(--navy); color:#fff !important; padding:10px 20px;
  font-size:14px; font-weight:600; border-radius:var(--radius);
  border:1px solid var(--navy);
}
.cta-btn:hover{ background:var(--ink-900); }
.cta-btn::after{ display:none !important; }
.menu-toggle{ display:none; background:none; border:none; cursor:pointer; }

/* ---------- HERO ---------- */
.hero{ padding:96px 0 80px; position:relative; overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns: 1.15fr 0.85fr; gap:56px; align-items:center; }
.eyebrow{
  font-family:'IBM Plex Mono'; font-size:12.5px; color:var(--steel);
  text-transform:uppercase; letter-spacing:0.12em; margin-bottom:18px; display:flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:22px; height:1px; background:var(--amber); display:inline-block; }
.hero h1{ font-size:50px; line-height:1.06; color:var(--ink-900); }
.hero h1 em{ font-style:normal; color:var(--navy); }
.hero p.lead{ margin-top:22px; font-size:17.5px; color:var(--slate); max-width:520px; }
.hero-ctas{ margin-top:34px; display:flex; gap:14px; flex-wrap:wrap; }
.btn-primary{ background:var(--navy); color:#fff; padding:14px 26px; font-weight:600; font-size:15px; border-radius:var(--radius); }
.btn-primary:hover{ background:var(--ink-900); }
.btn-ghost{ padding:14px 26px; font-weight:600; font-size:15px; border:1px solid var(--navy); color:var(--navy); border-radius:var(--radius); }
.btn-ghost:hover{ background:var(--paper-2); }

/* Expediente stamp card in hero */
.expediente-card{
  background:var(--white); border:1px solid var(--line);
  box-shadow: 0 24px 48px -24px rgba(7,28,51,0.25);
  padding:0; position:relative;
}
.expediente-head{
  background:var(--navy); color:#fff; padding:14px 20px;
  display:flex; justify-content:space-between; align-items:center;
  font-family:'IBM Plex Mono'; font-size:12px; letter-spacing:0.04em;
}
.expediente-body{ padding:24px 22px; }
.expediente-row{ display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px dashed var(--line); font-size:13.5px; gap:14px; }
.expediente-row:last-child{ border-bottom:none; }
.expediente-row .k{ color:var(--slate); font-family:'IBM Plex Mono'; font-size:12px; flex-shrink:0; }
.expediente-row .v{ font-weight:600; color:var(--ink-900); text-align:right; }
.stamp{
  position:absolute; bottom:-14px; right:18px;
  border:2px solid var(--amber); color:var(--amber);
  font-family:'IBM Plex Mono'; font-size:11px; font-weight:600;
  padding:6px 12px; transform:rotate(-6deg); background:var(--white);
  letter-spacing:0.05em;
}

/* ---------- SECTION HEADS ---------- */
.section{ padding:88px 0; }
.section-head{ max-width:640px; margin-bottom:52px; }
.section-head .eyebrow{ margin-bottom:14px; }
.section-head h2{ font-size:34px; color:var(--ink-900); }
.section-head p{ margin-top:14px; color:var(--slate); font-size:16px; }
.section-alt{ background:var(--white); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

/* ---------- SERVICIOS: índice tipo expediente ---------- */
.doc-index{ display:flex; flex-direction:column; border-top:1px solid var(--line); }
.doc-item{
  display:grid; grid-template-columns: 90px 1fr 1.4fr 140px;
  gap:24px; align-items:start;
  padding:28px 0; border-bottom:1px solid var(--line);
  transition: background .15s ease;
}
.doc-item:hover{ background:var(--paper-2); }
.doc-num{ font-family:'IBM Plex Mono'; font-size:13px; color:var(--amber); font-weight:600; padding-top:4px;}
.doc-num span{ display:block; font-size:10px; color:var(--slate); margin-top:4px; letter-spacing:0.06em; }
.doc-title h3{ font-size:19px; color:var(--ink-900); }
.doc-title .code{ font-family:'IBM Plex Mono'; font-size:11px; color:var(--steel); margin-top:6px; display:block; }
.doc-desc{ font-size:14.5px; color:var(--slate); }
.doc-tags{ display:flex; flex-wrap:wrap; gap:6px; align-content:flex-start; justify-content:flex-end; }
.tag{ font-family:'IBM Plex Mono'; font-size:10.5px; border:1px solid var(--line); color:var(--slate); padding:4px 8px; border-radius:2px; white-space:nowrap; }

/* ---------- PROCESO ---------- */
.process-rail{ display:flex; gap:0; overflow-x:auto; padding-bottom:8px; }
.process-step{ flex:1; min-width:170px; padding:0 22px 0 0; position:relative; }
.process-step:not(:last-child)::after{
  content:""; position:absolute; top:14px; right:0; width:22px; height:1px; background:var(--line);
}
.process-idx{ font-family:'IBM Plex Mono'; font-size:12px; color:var(--amber); font-weight:600; }
.process-step h4{ font-size:15.5px; margin-top:10px; color:var(--ink-900); }
.process-step p{ font-size:13px; color:var(--slate); margin-top:8px; }

/* ---------- POR QUÉ ---------- */
.why-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.why-cell{ background:var(--white); padding:32px 28px; }
.why-cell .num{ font-family:'IBM Plex Mono'; color:var(--steel); font-size:13px; }
.why-cell h4{ font-size:17px; margin-top:12px; }
.why-cell p{ font-size:14px; color:var(--slate); margin-top:10px; }

/* ---------- ISLAS ---------- */
.islas-strip{ display:flex; gap:10px; flex-wrap:wrap; margin-top:28px; }
.isla-chip{ font-family:'IBM Plex Mono'; font-size:12px; border:1px solid var(--line); padding:8px 14px; color:var(--navy); }

/* ---------- CONTACTO ---------- */
.contact-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:56px; }
.contact-info h3{ font-size:22px; }
.contact-list{ margin-top:24px; display:flex; flex-direction:column; gap:18px; }
.contact-list .row{ display:flex; gap:14px; align-items:flex-start; }
.contact-list .lbl{ font-family:'IBM Plex Mono'; font-size:11px; color:var(--steel); text-transform:uppercase; letter-spacing:0.08em; width:90px; padding-top:2px; flex-shrink:0; }
.contact-list .val{ font-size:15px; font-weight:500; }
.contact-list .val a:hover{ color:var(--navy); text-decoration:underline; }
form{ display:flex; flex-direction:column; gap:16px; }
.field label{ display:block; font-family:'IBM Plex Mono'; font-size:11px; color:var(--slate); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:6px; }
.field input, .field textarea{
  width:100%; border:1px solid var(--line); background:var(--white);
  padding:12px 14px; font-family:'IBM Plex Sans'; font-size:14.5px; border-radius:2px;
  color:var(--ink-900);
}
.field input:focus, .field textarea:focus{ outline:2px solid var(--navy); outline-offset:1px; border-color:var(--navy); }
.row2{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }

/* ---------- FOOTER ---------- */
footer{ background:var(--ink-900); color:#C9D4DE; padding:56px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:40px; }
footer .brand-name{ color:#fff; }
footer .brand-tag{ color:#8CA0B3; }
footer p{ color:#8CA0B3; font-size:14px; margin-top:14px; max-width:300px; }
footer h5{ font-family:'IBM Plex Mono'; font-size:11px; text-transform:uppercase; letter-spacing:0.08em; color:#8CA0B3; margin-bottom:16px; }
footer ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px; }
footer a{ font-size:14px; color:#C9D4DE; }
footer a:hover{ color:#fff; }
.footer-bottom{ margin-top:48px; padding-top:24px; border-top:1px solid rgba(255,255,255,0.1); display:flex; justify-content:space-between; font-size:12.5px; color:#6E8296; flex-wrap:wrap; gap:10px; }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero h1{ font-size:36px; }
  nav.links{ display:none; }
  .doc-item{ grid-template-columns:1fr; gap:8px; }
  .doc-tags{ justify-content:flex-start; }
  .why-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .row2{ grid-template-columns:1fr; }
}

/* ---------- Navegación móvil ---------- */
.nav-mobile{ display:none; }
@media (max-width: 900px){
  .nav-mobile{
    display:flex; gap:0; overflow-x:auto; border-top:1px solid var(--line);
    background:var(--white); -webkit-overflow-scrolling:touch;
  }
  .nav-mobile a{
    flex:0 0 auto; padding:12px 18px; font-size:14px; font-weight:600;
    color:var(--navy); border-right:1px solid var(--line); white-space:nowrap;
  }
}

/* ---------- Preguntas frecuentes ---------- */
.faq{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); }
.faq-item{ background:var(--white); padding:28px 26px; }
.faq-item h3{ font-size:16.5px; color:var(--ink-900); }
.faq-item p{ font-size:14.5px; color:var(--slate); margin:10px 0 0; }
@media (max-width: 900px){ .faq{ grid-template-columns:1fr; } }


/* ============ Añadidos para las fichas de servicio ============ */
.ficha-hero{ padding:64px 0 56px; }
.crumbs{ font-size:11.5px; color:var(--slate); text-transform:uppercase; letter-spacing:0.08em; margin-bottom:22px; }
.crumbs a{ color:var(--steel); }
.crumbs a:hover{ color:var(--navy); }
.ficha-hero h1{ font-size:42px; line-height:1.08; max-width:18ch; }
.precio{ font-family:'IBM Plex Mono'; font-size:21px; color:var(--navy); }

.ficha-cols{ display:grid; grid-template-columns:1fr 1fr; gap:56px; }
ul.check{ list-style:none; padding:0; margin:14px 0 0; display:flex; flex-direction:column; gap:11px; }
ul.check li{ position:relative; padding-left:26px; font-size:15px; color:var(--ink-900); }
ul.check li::before{
  content:""; position:absolute; left:0; top:8px; width:10px; height:10px;
  border:2px solid var(--navy); background:var(--navy);
}
ul.check.alt li::before{ background:transparent; border-color:var(--amber); }

.norma-box{ margin-top:48px; padding-top:26px; border-top:1px solid var(--line); }

.tabla-precios{ background:var(--white); border:1px solid var(--line); overflow-x:auto; }
.tabla-precios table{ border-collapse:collapse; width:100%; min-width:420px; }
.tabla-precios th, .tabla-precios td{ padding:14px 18px; text-align:left; border-bottom:1px solid var(--line); font-size:15px; }
.tabla-precios th{ font-family:'IBM Plex Mono'; font-size:11px; text-transform:uppercase; letter-spacing:0.07em; color:var(--slate); background:var(--paper-2); }
.tabla-precios td.n, .tabla-precios th.n{ text-align:right; font-family:'IBM Plex Mono'; font-weight:600; white-space:nowrap; }
.tabla-precios tr:last-child td{ border-bottom:none; }
.plazo-nota{ margin-top:18px; font-size:14.5px; color:var(--slate); max-width:72ch; }
.extras{ margin-top:36px; padding-top:24px; border-top:1px solid var(--line); }
ul.inline-list{ list-style:none; padding:0; margin:0; display:flex; flex-wrap:wrap; gap:10px 28px; }
ul.inline-list li{ font-size:14.5px; color:var(--slate); }
ul.inline-list strong{ color:var(--ink-900); font-family:'IBM Plex Mono'; }

a.doc-item{ color:inherit; }
a.doc-item:hover h3{ color:var(--navy); }

.hp{ position:absolute; left:-9999px; width:1px; height:1px; opacity:0; }
.consent{ display:flex; gap:10px; align-items:flex-start; font-size:13.5px; color:var(--slate); }
.consent input{ margin-top:3px; }
.consent a{ color:var(--navy); text-decoration:underline; }
button.btn-primary{ border:none; cursor:pointer; font-family:'IBM Plex Sans'; align-self:flex-start; }
.formnote{ font-size:12.5px; color:var(--slate); margin:0; }

.legal{ max-width:760px; }
.legal h2{ font-size:22px; margin-top:38px; }
.legal h3{ font-size:17px; margin-top:26px; }
.legal p, .legal li{ color:var(--slate); font-size:15px; }
.legal strong{ color:var(--ink-900); }

@media (max-width: 900px){
  .ficha-cols{ grid-template-columns:1fr; gap:36px; }
  .ficha-hero h1{ font-size:31px; }
}