/* =========================================================================
   Nostrabanca — Homepage su misura
   Palette di marca: navy #0A2A6C · blu #1952A2 · blu chiaro #2E6FD6 · oro #F1B723
   ========================================================================= */

:root{
  --navy:#0A2A6C; --navy-2:#08245C; --blue:#1952A2; --lblue:#2E6FD6;
  --gold:#F1B723; --gold-2:#F7CE57;
  --ink:#10192e; --body:#36425a; --muted:#6b7790;
  --line:#e7ebf3; --bg:#ffffff; --bg-soft:#f4f7fc; --bg-soft-2:#eef3fb;
  --radius:16px; --radius-sm:11px;
  --shadow:0 1px 2px rgba(10,42,108,.05), 0 12px 30px -16px rgba(10,42,108,.22);
  --shadow-lg:0 30px 60px -28px rgba(10,42,108,.45);
  --wrap:1200px;
  --sans:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --serif:'Spectral',Georgia,'Times New Roman',serif;
}

/* ---- reset acotado a la portada ---- */
/* Evita el scroll horizontal en móvil (el menú off-canvas y cualquier
   elemento que sobresalga quedan recortados, nunca generan scroll lateral).
   'clip' no rompe el position:sticky del header; 'hidden' es el fallback. */
html{overflow-x:hidden;overflow-x:clip;max-width:100%;}
body.nb-home{margin:0;background:var(--bg);color:var(--body);
  font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;overflow-x:clip;width:100%;max-width:100%;}
.nb-home *,.nb-home *::before,.nb-home *::after{box-sizing:border-box;}
.nb-home img{max-width:100%;height:auto;display:block;}
.nb-home a{color:inherit;text-decoration:none;}
.nb-home h1,.nb-home h2,.nb-home h3,.nb-home h4,.nb-home p,.nb-home ul{margin:0;}
.nb-home ul{list-style:none;padding:0;}
.nb-home button{font-family:inherit;cursor:pointer;}
.nb-wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;}

/* ---- botones ---- */
.nb-btn{display:inline-flex;align-items:center;gap:.5em;font-weight:600;font-size:.94rem;
  padding:.72em 1.25em;border-radius:999px;border:0;transition:.18s ease;line-height:1;}
.nb-btn svg{width:1.05em;height:1.05em;}
.nb-btn--gold{background:var(--gold);color:var(--navy);}
.nb-btn--gold:hover{background:var(--gold-2);transform:translateY(-1px);}
.nb-btn--ghost{background:transparent;color:var(--navy);border:1.5px solid var(--line);padding:.66em 1.15em;}
.nb-btn--ghost:hover{border-color:var(--blue);color:var(--blue);background:var(--bg-soft);}
.nb-btn--ghost svg{transition:transform .18s ease;}
.nb-btn--ghost:hover svg{transform:translateX(3px);}

/* ============================== TOP BAR ============================== */
.nb-topbar{background:var(--navy);color:#cdd9f0;font-size:.8rem;}
.nb-topbar__in{display:flex;justify-content:space-between;align-items:center;height:38px;}
.nb-topbar__tag{display:inline-flex;align-items:center;gap:.5em;font-weight:500;}
.nb-topbar__tag svg{width:15px;height:15px;color:var(--gold-2);}
.nb-topbar__date{color:#9fb2d6;}
@media(max-width:640px){.nb-topbar__date{display:none;}}

/* ============================== HEADER ============================== */
/* Sin backdrop-filter/filter/transform: de lo contrario el header se vuelve
   bloque contenedor de los hijos position:fixed (panel/overlay) y los recorta
   a la altura del header. Fondo casi opaco para mantener legibilidad. */
.nb-header{position:sticky;top:0;z-index:60;background:#fff;
  box-shadow:0 1px 0 var(--line);border-bottom:1px solid var(--line);}
.nb-header__in{display:flex;align-items:center;gap:24px;height:74px;}
.nb-brand img{height:46px;width:auto;}
.nb-nav{margin-left:auto;}
.nb-menu{display:flex;align-items:center;gap:4px;}
.nb-menu li{position:relative;}
.nb-menu a{display:block;padding:.6em .85em;font-weight:600;font-size:.92rem;color:var(--ink);
  border-radius:9px;transition:.15s;}
.nb-menu a:hover{color:var(--blue);background:var(--bg-soft);}
.nb-menu .current-menu-item>a,.nb-menu .current_page_item>a{color:var(--blue);}
/* submenús */
.nb-menu .sub-menu{position:absolute;top:100%;left:0;min-width:210px;background:#fff;
  border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;
  display:none;z-index:70;}
.nb-menu li:hover>.sub-menu{display:block;}
.nb-menu .sub-menu a{font-size:.88rem;}
.nb-search{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:50%;color:var(--navy);border:1.5px solid var(--line);transition:.15s;}
.nb-search svg{width:19px;height:19px;}
.nb-search:hover{background:var(--navy);color:#fff;border-color:var(--navy);}

/* menú móvil */
.nb-nav__burger{display:none;flex-direction:column;gap:5px;width:46px;height:46px;border-radius:11px;
  align-items:center;justify-content:center;background:#fff;border:1.5px solid var(--line);
  position:relative;z-index:70;padding:0;cursor:pointer;}
.nb-nav__burger span{display:block;width:21px;height:2px;background:var(--navy);border-radius:2px;
  transition:transform .25s ease,opacity .18s ease;}
.nb-nav__overlay{display:none;}

@media(max-width:920px){
  .nb-nav__burger{display:flex;}
  /* hamburguesa -> X */
  .nb-nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nb-nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nb-nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .nb-nav__overlay{display:block;position:fixed;inset:0;background:rgba(8,16,40,.55);
    opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:64;}
  body.nb-nav-open .nb-nav__overlay{opacity:1;visibility:visible;}

  .nb-nav__menu{position:fixed;inset:0 0 0 auto;width:min(84vw,340px);background:#fff;
    transform:translateX(100%);transition:transform .28s ease;box-shadow:var(--shadow-lg);
    padding:90px 18px 28px;overflow-y:auto;-webkit-overflow-scrolling:touch;z-index:65;}
  body.nb-nav-open .nb-nav__menu{transform:translateX(0);}

  .nb-menu{flex-direction:column;align-items:stretch;gap:2px;}
  .nb-menu a{padding:.85em 1em;font-size:1.02rem;border-radius:10px;border-bottom:1px solid var(--bg-soft);}
  .nb-menu .sub-menu{position:static;display:block;border:0;box-shadow:none;padding:0 0 0 12px;}
}

/* ============================== SECCIONES ============================== */
.nb-section{padding:60px 0;}
.nb-section--alt{background:var(--bg-soft);}
.nb-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;}
.nb-head__title{font-family:var(--serif);font-weight:700;font-size:clamp(1.5rem,1.1rem + 1.6vw,2.1rem);
  color:var(--ink);letter-spacing:-.01em;position:relative;padding-left:16px;}
.nb-head__title::before{content:"";position:absolute;left:0;top:.14em;bottom:.14em;width:5px;
  border-radius:4px;background:linear-gradient(var(--blue),var(--gold));}
.nb-head__sub{color:var(--muted);max-width:46ch;margin-top:6px;}
.nb-head__link{display:inline-flex;align-items:center;gap:.4em;font-weight:600;color:var(--blue);
  font-size:.92rem;white-space:nowrap;}
.nb-head__link svg{width:1em;height:1em;transition:transform .18s;}
.nb-head__link:hover svg{transform:translateX(3px);}

/* ============================== BADGE ============================== */
.nb-badge{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--blue);background:var(--bg-soft-2);
  padding:.42em .8em;border-radius:999px;margin-bottom:.7rem;}

/* ============================== HERO ============================== */
.nb-hero{padding-top:44px;}
.nb-hero__grid{display:grid;grid-template-columns:1.55fr 1fr;gap:28px;align-items:stretch;}
.nb-lead{position:relative;border-radius:var(--radius);overflow:hidden;min-height:460px;
  display:flex;align-items:flex-end;box-shadow:var(--shadow-lg);isolation:isolate;background:var(--navy);}
.nb-lead__media{position:absolute;inset:0;z-index:-2;}
.nb-lead__media img{width:100%;height:100%;object-fit:cover;}
.nb-lead::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(8,18,46,0) 30%,rgba(7,16,40,.62) 64%,rgba(6,14,36,.93) 100%);}
.nb-lead__body{padding:34px 34px 32px;color:#fff;}
.nb-lead .nb-badge{background:rgba(255,255,255,.16);color:#fff;backdrop-filter:blur(4px);}
.nb-lead__title{font-family:var(--serif);font-weight:700;color:#fff;letter-spacing:-.015em;
  font-size:clamp(1.5rem,1.1rem + 2vw,2.5rem);line-height:1.12;margin-bottom:.5rem;}
.nb-lead__title a:hover{color:var(--gold-2);}
.nb-lead__excerpt{color:#dbe4f5;max-width:54ch;margin-bottom:1.1rem;}
.nb-lead .nb-card__meta{color:#aebcd8;margin-bottom:1.1rem;}
.nb-lead .nb-btn--ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff;}
.nb-lead .nb-btn--ghost:hover{background:#fff;color:var(--navy);}

.nb-hero__side{display:flex;flex-direction:column;gap:18px;}

/* ============================== CARDS ============================== */
.nb-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s;}
.nb-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d4ddee;}
.nb-card__media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft-2);}
.nb-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.nb-card:hover .nb-card__media img{transform:scale(1.05);}
.nb-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.nb-card__title{font-family:var(--serif);font-weight:600;font-size:1.16rem;line-height:1.25;
  color:var(--ink);letter-spacing:-.01em;margin-bottom:.5rem;}
.nb-card__title a:hover{color:var(--blue);}
.nb-card__excerpt{color:var(--muted);font-size:.92rem;margin-bottom:1rem;}
.nb-card__meta{display:flex;align-items:center;gap:.55em;font-size:.8rem;color:var(--muted);
  margin-top:auto;}
.nb-dot{opacity:.5;}
.nb-thumb-fallback{display:block;width:100%;height:100%;
  background:linear-gradient(135deg,var(--blue),var(--navy));}
.nb-card__media .nb-thumb-fallback{aspect-ratio:16/10;}

/* tarjeta lateral (horizontal) */
.nb-card--side{flex-direction:row;align-items:stretch;}
.nb-card--side .nb-card__media{flex:0 0 40%;aspect-ratio:auto;}
.nb-card--side .nb-card__body{padding:14px 16px;}
.nb-card--side .nb-card__title{font-size:1.02rem;}

/* grids */
.nb-grid{display:grid;gap:24px;}
.nb-grid--2{grid-template-columns:repeat(2,1fr);}
.nb-grid--3{grid-template-columns:repeat(3,1fr);}
.nb-grid--2 .nb-card{flex-direction:row;}
.nb-grid--2 .nb-card__media{flex:0 0 46%;aspect-ratio:auto;}
.nb-grid--2 .nb-card__title{font-size:1.3rem;}
.nb-grid--2 .nb-card__body{padding:24px;justify-content:center;}

/* ============================== FRANJA DE TEMAS ============================== */
.nb-topics__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.nb-topic{display:flex;align-items:center;gap:13px;padding:18px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-sm);transition:.18s;}
.nb-topic:hover{border-color:var(--blue);box-shadow:var(--shadow);transform:translateY(-3px);}
.nb-topic__ic{flex:0 0 auto;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--bg-soft-2),#fff);color:var(--blue);border:1px solid var(--line);}
.nb-topic__ic svg{width:23px;height:23px;}
.nb-topic:hover .nb-topic__ic{background:var(--navy);color:#fff;border-color:var(--navy);}
.nb-topic__txt{display:flex;flex-direction:column;min-width:0;}
.nb-topic__txt strong{color:var(--ink);font-size:.96rem;line-height:1.2;}
.nb-topic__txt small{color:var(--muted);font-size:.76rem;line-height:1.3;margin-top:2px;}
.nb-topic__go{margin-left:auto;color:var(--muted);opacity:0;transform:translateX(-4px);transition:.18s;}
.nb-topic__go svg{width:18px;height:18px;}
.nb-topic:hover .nb-topic__go{opacity:1;transform:translateX(0);color:var(--blue);}
@media(max-width:1080px){.nb-topics__grid{grid-template-columns:repeat(2,1fr);}
  .nb-topic__go{display:none;}}

/* ============================== CTA / BOLETÍN ============================== */
.nb-cta{padding:0;}
.nb-cta__in{background:radial-gradient(120% 160% at 90% 10%,var(--blue),var(--navy) 60%);
  border-radius:24px;padding:46px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:30px;flex-wrap:wrap;position:relative;overflow:hidden;box-shadow:var(--shadow-lg);}
.nb-cta__in::before{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;background:rgba(240,199,90,.16);}
.nb-cta__txt{position:relative;z-index:1;max-width:46ch;}
.nb-cta__txt h2{font-family:var(--serif);color:#fff;font-size:clamp(1.5rem,1.2rem + 1.4vw,2rem);
  font-weight:700;letter-spacing:-.01em;margin-bottom:.4rem;}
.nb-cta__txt p{color:#cdd9f0;}
.nb-cta__form{position:relative;z-index:1;display:flex;gap:10px;background:rgba(255,255,255,.1);
  padding:8px;border-radius:999px;border:1px solid rgba(255,255,255,.22);}
.nb-cta__form input{border:0;background:#fff;border-radius:999px;padding:.8em 1.2em;font-size:.95rem;
  width:min(62vw,260px);color:var(--ink);outline:none;}
@media(max-width:560px){.nb-cta__in{padding:34px 26px;}.nb-cta__form{flex-direction:column;width:100%;border-radius:18px;}
  .nb-cta__form input{width:100%;}}

/* ============================== CONFIANZA ============================== */
.nb-trust__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;}
.nb-eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--gold);margin-bottom:.7rem;}
.nb-trust h2{font-family:var(--serif);font-weight:700;font-size:clamp(1.45rem,1.1rem + 1.5vw,2rem);
  color:var(--ink);letter-spacing:-.015em;line-height:1.18;margin-bottom:.8rem;}
.nb-trust p{color:var(--body);margin-bottom:1.3rem;}
.nb-trust__list{display:flex;flex-direction:column;gap:14px;}
.nb-trust__list li{display:flex;gap:14px;align-items:flex-start;background:var(--bg-soft);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px;}
.nb-trust__list svg{width:24px;height:24px;color:var(--blue);flex:0 0 auto;margin-top:1px;}
.nb-trust__list strong{color:var(--ink);}
.nb-trust__list span{font-size:.94rem;}

/* ============================== FOOTER ============================== */
.nb-footer{background:var(--navy);color:#b9c6e2;margin-top:0;}
.nb-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.3fr;gap:40px;
  padding:56px 24px 44px;}
/* El logo del pie ya trae el texto en blanco y el ícono en color: sin filtros. */
.nb-footer__brand img{height:48px;width:auto;margin-bottom:16px;}
.nb-footer__brand p{font-size:.9rem;color:#9fb0d4;max-width:34ch;}
.nb-footer__col h4{color:#fff;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;
  margin-bottom:16px;}
.nb-footer__col ul li{margin-bottom:10px;}
.nb-footer__col a{font-size:.92rem;color:#b9c6e2;transition:.15s;}
.nb-footer__col a:hover{color:var(--gold-2);}
.nb-footer__col>p{font-size:.9rem;color:#9fb0d4;margin-bottom:14px;}
.nb-footer__form{display:flex;gap:8px;}
.nb-footer__form input{flex:1;min-width:0;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);
  color:#fff;border-radius:10px;padding:.7em .9em;font-size:.88rem;outline:none;}
.nb-footer__form input::placeholder{color:#8ea1c7;}
.nb-footer__form .nb-btn{border-radius:10px;padding:.7em 1em;}
.nb-footer__bar{border-top:1px solid rgba(255,255,255,.12);background:var(--navy-2);}
.nb-footer__legal{padding:24px 24px 28px;text-align:center;}
.nb-footer__copy{font-size:.82rem;color:#cdd9f0;font-weight:600;margin-bottom:10px;}
.nb-footer__note{font-size:.78rem;line-height:1.7;color:#8ea1c7;max-width:90ch;margin:0 auto;}

/* ============================== RESPONSIVE ============================== */
@media(max-width:900px){
  .nb-hero__grid{grid-template-columns:1fr;}
  .nb-lead{min-height:380px;}
  .nb-trust__grid{grid-template-columns:1fr;gap:28px;}
  .nb-footer__grid{grid-template-columns:1fr 1fr;gap:30px;}
  .nb-disclaimer{text-align:left;}
}
@media(max-width:760px){
  .nb-section{padding:46px 0;}
  .nb-grid--2,.nb-grid--3{grid-template-columns:1fr;}
  .nb-grid--2 .nb-card{flex-direction:column;}
  .nb-grid--2 .nb-card__media{flex:auto;aspect-ratio:16/10;}
  .nb-head{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media(max-width:560px){
  .nb-card--side{flex-direction:column;}
  .nb-card--side .nb-card__media{flex:auto;aspect-ratio:16/9;}
  .nb-footer__grid{grid-template-columns:1fr;}
  .nb-footer__bar-in{flex-direction:column;align-items:flex-start;}
}