/* ============================================================
   OTAIA · Asesoría y gestión legal e inmobiliaria
   Sistema de diseño — Pantone 280 C / 2330 C
   ============================================================ */

:root{
  /* marca */
  --accent:#001A57;          /* Pantone 280 C */
  --accent-hi:#2B5CB8;       /* acento aclarado, para fondos oscuros */
  --accent-soft:#E7ECF6;
  --ink:#04102E;             /* tinta / fondos oscuros */
  --ink-2:#0A1B42;
  --base:#FFFFFF;
  --base-2:#F5F7FA;
  --gray:#C8C9C7;            /* Pantone 2330 C */
  --text:#2A3243;
  --muted:#616B7E;
  --line:#E2E6ED;
  --line-dark:rgba(255,255,255,.14);

  /* medidas */
  --container:1250px;
  --gap:28px;
  --r-sm:8px;
  --r:14px;
  --r-lg:22px;
  --shadow:0 18px 44px rgba(4,16,46,.10);
  --shadow-sm:0 8px 22px rgba(4,16,46,.07);

  /* tipografía */
  --font-title:"Montserrat","Geist",system-ui,sans-serif;
  --font-body:"Geist","Montserrat",system-ui,sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--base);color:var(--text);
  font-family:var(--font-body);font-size:1rem;line-height:1.72;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
h1,h2,h3,h4,h5{font-family:var(--font-title);color:var(--ink);line-height:1.18;margin:0 0 .6em;font-weight:700;letter-spacing:-.015em}
h1{font-size:clamp(2.05rem,4.1vw,3.1rem)}
h2{font-size:clamp(1.6rem,2.9vw,2.3rem)}
h3{font-size:clamp(1.12rem,1.5vw,1.32rem)}
p{margin:0 0 1.05em}
ul{margin:0 0 1.05em;padding-left:1.15em}
figure{margin:0}

/* ---- TEXTO CLARO SOBRE FONDO OSCURO (regla obligatoria) ---- */
.hero,.page-hero,.cta,.section--dark,.site-footer{color:rgba(255,255,255,.86)}
.hero h1,.hero h2,.hero h3,.hero h4,
.page-hero h1,.page-hero h2,.page-hero h3,.page-hero h4,
.cta h1,.cta h2,.cta h3,.cta h4,
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4,
.site-footer h1,.site-footer h2,.site-footer h3,.site-footer h4{color:#fff}
.hero a,.page-hero a,.cta a,.section--dark a,.site-footer a{color:#fff}

/* ---- LAYOUT ---- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding-block:clamp(58px,7vw,96px)}
.section--alt{background:var(--base-2)}
.section--tight{padding-block:clamp(44px,5vw,68px)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.eyebrow{
  display:block;font-family:var(--font-title);font-weight:600;
  font-size:.735rem;letter-spacing:.19em;text-transform:uppercase;
  color:var(--accent);margin:0 0 7px;
}
.section--dark .eyebrow,.hero .eyebrow,.page-hero .eyebrow,.cta .eyebrow{color:#8FAEE6}
.section__head{max-width:760px;margin-bottom:clamp(32px,4vw,50px)}
.section__head h2{margin-top:15px}
.section__head p{color:var(--muted);font-size:1.05rem;margin-bottom:0}
.section--dark .section__head p,.cta p{color:rgba(255,255,255,.8)}
.lead{font-size:1.09rem;color:var(--muted)}
.section--dark .lead{color:rgba(255,255,255,.82)}

/* ---- BOTONES ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-title);font-weight:600;font-size:.93rem;letter-spacing:.01em;
  padding:13px 26px;border-radius:var(--r-sm);border:1px solid transparent;
  cursor:pointer;transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:#012B85;color:#fff;transform:translateY(-2px)}
.hero .btn--primary,.page-hero .btn--primary,.cta .btn--primary,.section--dark .btn--primary{background:var(--accent-hi);color:#fff}
.hero .btn--primary:hover,.page-hero .btn--primary:hover,.cta .btn--primary:hover,.section--dark .btn--primary:hover{background:#3D71D4;color:#fff}
.btn--ghost{background:transparent;border-color:rgba(4,16,46,.22);color:var(--ink)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.hero .btn--ghost,.page-hero .btn--ghost,.cta .btn--ghost,.section--dark .btn--ghost{border-color:rgba(255,255,255,.42);color:#fff}
.hero .btn--ghost:hover,.page-hero .btn--ghost:hover,.cta .btn--ghost:hover,.section--dark .btn--ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ---- HEADER ---- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:90;
  padding:16px 0;transition:background .3s var(--ease),box-shadow .3s var(--ease),padding .3s var(--ease);
}
:is(.site-header.is-scrolled, html:not(.js) .site-header){background:rgba(255,255,255,.97);box-shadow:0 6px 26px rgba(4,16,46,.09);padding:9px 0}
.header-inner{display:flex;align-items:center;gap:22px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:none}
.brand img{width:auto;height:46px;transition:height .3s var(--ease)}
:is(.site-header.is-scrolled, html:not(.js) .site-header) .brand img{height:40px}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__name{font-family:var(--font-title);font-weight:700;font-size:1.32rem;letter-spacing:.16em;color:#fff;transition:color .3s var(--ease)}
.brand__tag{font-family:var(--font-title);font-weight:500;font-size:.545rem;letter-spacing:.155em;text-transform:uppercase;color:rgba(255,255,255,.72);margin-top:5px;transition:color .3s var(--ease)}
:is(.site-header.is-scrolled, html:not(.js) .site-header) .brand__name{color:var(--accent)}
:is(.site-header.is-scrolled, html:not(.js) .site-header) .brand__tag{color:var(--muted)}
.brand__logo--oscuro{display:none}
:is(.site-header.is-scrolled, html:not(.js) .site-header) .brand__logo--claro{display:none}
:is(.site-header.is-scrolled, html:not(.js) .site-header) .brand__logo--oscuro{display:block}

.nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav a{
  font-family:var(--font-title);font-weight:500;font-size:.9rem;color:rgba(255,255,255,.9);
  padding:9px 14px;border-radius:var(--r-sm);transition:color .22s var(--ease),background .22s var(--ease);
}
.nav a.btn{color:#fff}
.nav a:not(.btn):hover{background:rgba(255,255,255,.12)}
.nav a.is-active{color:#fff;font-weight:600}
.nav a.is-active::after{content:"";display:block;height:2px;background:var(--accent-hi);border-radius:2px;margin-top:5px}
:is(.site-header.is-scrolled, html:not(.js) .site-header) .nav a:not(.btn){color:var(--text)}
:is(.site-header.is-scrolled, html:not(.js) .site-header) .nav a:not(.btn):hover{background:var(--accent-soft);color:var(--accent)}
:is(.site-header.is-scrolled, html:not(.js) .site-header) .nav a.is-active{color:var(--accent)}
:is(.site-header.is-scrolled, html:not(.js) .site-header) .nav a.is-active::after{background:var(--accent)}
.nav .btn{margin-left:12px;padding:11px 20px}
.nav__cta-movil{display:none}

.burger{
  display:none;margin-left:auto;width:44px;height:44px;border:0;background:transparent;
  cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;border-radius:var(--r-sm);
}
.burger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .3s var(--ease),opacity .25s var(--ease),background .3s var(--ease)}
:is(.site-header.is-scrolled, html:not(.js) .site-header) .burger span{background:var(--ink)}
.nav-backdrop{
  position:fixed;inset:0;z-index:70;background:rgba(4,16,46,.55);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.nav-backdrop.is-open{opacity:1;visibility:visible}

/* ---- HERO ---- */
.hero{
  position:relative;isolation:isolate;background:var(--ink);overflow:hidden;
  min-height:min(88vh,780px);display:flex;align-items:center;
  padding-block:clamp(140px,17vw,190px) clamp(80px,10vw,120px);
}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(4,16,46,.92) 0%,rgba(4,16,46,.82) 45%,rgba(4,16,46,.62) 100%)}
.hero__inner{max-width:780px}
.hero h1{margin-top:15px;margin-bottom:.5em}
.hero h1 em{font-style:normal;color:#8FAEE6}
.hero p{font-size:1.1rem;color:rgba(255,255,255,.85);max-width:640px}
.hero__zonas{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.hero__zonas span{
  font-family:var(--font-title);font-size:.76rem;font-weight:500;letter-spacing:.11em;text-transform:uppercase;
  color:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.26);border-radius:999px;padding:7px 15px;
}

/* ---- PAGE HERO ---- */
.page-hero{
  position:relative;isolation:isolate;background:var(--ink);overflow:hidden;
  padding-block:clamp(146px,17vw,196px) clamp(60px,7vw,86px);
}
.page-hero__bg{position:absolute;inset:0;z-index:-2}
.page-hero__bg img{width:100%;height:100%;object-fit:cover}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(4,16,46,.93) 0%,rgba(4,16,46,.80) 100%)}
.page-hero h1{margin-top:15px;margin-bottom:.35em;max-width:900px}
.page-hero p{max-width:680px;color:rgba(255,255,255,.84);margin-bottom:0}

/* ---- SECCIÓN OSCURA ---- */
.section--dark{position:relative;isolation:isolate;background:var(--ink);overflow:hidden}
.section--dark .section__bg{position:absolute;inset:0;z-index:-2}
.section--dark .section__bg img{width:100%;height:100%;object-fit:cover}
.section--dark::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(4,16,46,.90) 0%,rgba(4,16,46,.86) 100%)}
.section--plano::after{display:none}
.section--plano{background:var(--ink-2)}

/* ---- GRILLAS Y TARJETAS ---- */
.grid{display:grid;gap:var(--gap)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:32px 28px;box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#CBD6E8}
.card h3{margin-bottom:.5em}
.card p{color:var(--muted);margin-bottom:0}
.card__icon{
  width:52px;height:52px;border-radius:12px;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;flex:none;
}
.card__icon svg{width:26px;height:26px}

.section--dark .card{background:rgba(255,255,255,.055);border-color:var(--line-dark);box-shadow:none}
.section--dark .card:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.26)}
.section--dark .card p{color:rgba(255,255,255,.78)}
.section--dark .card__icon{background:rgba(255,255,255,.1);color:#9EBAEC}

/* zonas */
.zona{
  border:1px solid var(--line-dark);border-radius:var(--r);padding:26px 24px;
  background:rgba(255,255,255,.05);transition:background .3s var(--ease),transform .3s var(--ease);
}
.zona:hover{background:rgba(255,255,255,.09);transform:translateY(-4px)}
.zona h3{font-size:1.1rem;margin-bottom:.35em}
.zona p{color:rgba(255,255,255,.75);font-size:.94rem;margin-bottom:0}

/* ---- BLOQUE MEDIA + TEXTO ---- */
.media{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px);align-items:stretch}
.media--flip .media__fig{order:2}
.media__fig{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}
.media__fig{min-height:340px}
.media__fig img{width:100%;height:100%;object-fit:cover}
.media__body h2{margin-top:15px}
.media__body p:last-child{margin-bottom:0}

/* lista con check */
.list-check{list-style:none;padding:0;margin:0}
.list-check li{position:relative;padding-left:32px;margin-bottom:12px;color:var(--muted);line-height:1.6}
.list-check li::before{
  content:"";position:absolute;left:0;top:.42em;width:18px;height:18px;border-radius:50%;
  background:var(--accent-soft);
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23001A57' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size:12px 12px;background-repeat:no-repeat;background-position:center;
}
.section--dark .list-check li{color:rgba(255,255,255,.8)}
.section--dark .list-check li::before{background-color:rgba(255,255,255,.14);
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23BFD3F5' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E")}

/* ---- PASOS ---- */
.pasos{counter-reset:paso;display:grid;gap:var(--gap);grid-template-columns:repeat(4,1fr)}
.paso{position:relative;padding-top:24px;border-top:2px solid var(--line-dark)}
.paso::before{
  counter-increment:paso;content:"0" counter(paso);
  font-family:var(--font-title);font-weight:700;font-size:.9rem;letter-spacing:.1em;color:#8FAEE6;display:block;margin-bottom:10px;
}
.paso h3{font-size:1.06rem;margin-bottom:.4em}
.paso p{color:rgba(255,255,255,.76);font-size:.94rem;margin-bottom:0}

/* ---- CITA ---- */
.cita{max-width:900px;margin-inline:auto;text-align:center}
.cita blockquote{
  margin:0;font-family:var(--font-title);font-weight:600;
  font-size:clamp(1.25rem,2.4vw,1.85rem);line-height:1.45;color:#fff;letter-spacing:-.01em;
}
.cita figcaption{margin-top:20px;font-size:.88rem;letter-spacing:.12em;text-transform:uppercase;color:#8FAEE6;font-family:var(--font-title);font-weight:600}

/* ---- CTA ---- */
.cta{
  position:relative;isolation:isolate;background:var(--ink);overflow:hidden;
  padding-block:clamp(66px,8vw,104px);text-align:center;
}
.cta__bg{position:absolute;inset:0;z-index:-2}
.cta__bg img{width:100%;height:100%;object-fit:cover}
.cta::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(4,16,46,.84) 0%,rgba(4,16,46,.90) 100%)}
.cta h2{margin-top:15px;max-width:820px;margin-inline:auto}
.cta p{max-width:640px;margin-inline:auto}
.cta .btn-row{justify-content:center}

/* ---- CONTACTO ---- */
.contacto-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(34px,5vw,64px);align-items:start}
.dato-list{list-style:none;padding:0;margin:0}
.dato-list li{margin-bottom:18px}
.dato-list .rotulo{
  display:block;font-family:var(--font-title);font-weight:600;font-size:.7rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:5px;
}
.dato{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:500}
.dato svg{width:18px;height:18px;flex:none;color:var(--accent)}
a.dato:hover{color:var(--accent)}
.site-footer .dato{color:rgba(255,255,255,.82);font-weight:400}
.site-footer .dato svg{color:#8FAEE6}
.site-footer a.dato:hover{color:#fff}
.site-footer .rotulo{color:rgba(255,255,255,.5)}

.form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(26px,3.4vw,40px);box-shadow:var(--shadow-sm)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column}
.field--full{grid-column:1/-1}
.field label{font-family:var(--font-title);font-weight:600;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.field input,.field textarea{
  font-family:var(--font-body);font-size:.97rem;color:var(--ink);
  border:1px solid var(--line);border-radius:var(--r-sm);background:var(--base-2);
  padding:12px 14px;transition:border-color .22s var(--ease),background .22s var(--ease);
}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--accent);background:#fff}
.field textarea{resize:vertical;min-height:140px}
.form .btn{margin-top:20px;width:100%}
.aviso{border-radius:var(--r-sm);padding:14px 18px;margin-bottom:22px;font-size:.94rem;border:1px solid}
.aviso--ok{background:#EAF6EE;border-color:#B6DFC4;color:#1D6236}
.aviso--err{background:#FBECEC;border-color:#EFC3C3;color:#8E2626}
.mapa{margin-top:clamp(40px,5vw,64px);border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.mapa iframe{display:block;width:100%;height:400px;border:0}

/* ---- FOOTER ---- */
.site-footer{
  background:var(--ink);
  padding-block:clamp(52px,6vw,74px) 30px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:clamp(26px,3.4vw,48px)}
.footer-grid h4{font-size:.76rem;letter-spacing:.17em;text-transform:uppercase;color:rgba(255,255,255,.55);font-weight:600;margin-bottom:18px}
.footer-lockup{display:inline-flex;align-items:center;gap:12px;margin-bottom:20px}
.footer-lockup img{height:54px;width:auto}
.footer-lockup .brand__name{font-family:var(--font-title);font-weight:700;font-size:1.4rem;letter-spacing:.16em;color:#fff}
.footer-lockup .brand__tag{font-family:var(--font-title);font-weight:500;font-size:.58rem;letter-spacing:.15em;text-transform:uppercase;color:rgba(255,255,255,.62);margin-top:6px}
.footer-brand p{color:rgba(255,255,255,.68);font-size:.94rem;max-width:320px;margin-bottom:0}
.footer-nav{list-style:none;padding:0;margin:0}
.footer-nav li{margin-bottom:10px}
.footer-nav a{color:rgba(255,255,255,.78);font-size:.95rem;transition:color .22s var(--ease)}
.footer-nav a:hover{color:#fff}
.footer-credit{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  text-align:center;font-size:.8rem;color:rgba(255,255,255,.6);
}
.footer-credit a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
.footer-credit a:hover{color:rgba(255,255,255,.92)}

/* ---- REVEAL ----
   Sin JS no hay clase .js en <html>: el contenido se ve siempre. */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);
  animation:reveal-failsafe 0s linear 3s forwards}
.reveal.is-in{opacity:1;transform:none;animation:none}
@keyframes reveal-failsafe{to{opacity:1;transform:none}}

/* ---- RESPONSIVE ---- */
@media (max-width:1024px){
  .grid--4,.pasos{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:880px){
  .burger{display:flex}
  .nav{
    position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
    background:var(--ink);flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:4px;padding:96px 24px 32px;margin-left:0;
    transform:translateX(102%);transition:transform .38s var(--ease);
    overflow-y:auto;box-shadow:-18px 0 44px rgba(4,16,46,.3);
  }
  .nav.is-open{transform:none}
  .nav a:not(.btn){color:rgba(255,255,255,.9);font-size:1rem;padding:13px 12px}
  :is(.site-header.is-scrolled, html:not(.js) .site-header) .nav a:not(.btn){color:rgba(255,255,255,.9)}
  :is(.site-header.is-scrolled, html:not(.js) .site-header) .nav a:not(.btn):hover{background:rgba(255,255,255,.12);color:#fff}
  .nav a.is-active::after,:is(.site-header.is-scrolled, html:not(.js) .site-header) .nav a.is-active::after{background:var(--accent-hi)}
  .nav .btn{display:none}
  .nav .nav__cta-movil{display:inline-flex;margin:18px 0 0;width:100%}
  .grid--3,.grid--2,.media,.contacto-grid{grid-template-columns:1fr}
  .media--flip .media__fig{order:0}
  .media__fig{min-height:0}
  .media__fig img{aspect-ratio:4/3}
  .hero{min-height:0}
}
@media (max-width:560px){
  .grid--4,.pasos,.form-grid,.footer-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .hero__zonas span{font-size:.7rem}
  .brand img{height:40px}
  .brand__name{font-size:1.15rem}
  .brand__tag{font-size:.5rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;animation:none}
}