/* ==========================================================================
   Nigthfall Star Inc. — hoja de estilos principal
   Import, Export and Logistic Services · nigthfallstar.com
   Tokens derivados del Manual de Marca · Edición 2026
   ========================================================================== */

/* ---------- Fuentes ---------- */
@font-face{
  font-family:'Montserrat';
  src:url('../fonts/montserrat-var.woff2') format('woff2-variations'),
      url('../fonts/montserrat-var.woff2') format('woff2');
  font-weight:300 800; font-style:normal; font-display:swap;
}
@font-face{
  font-family:'Karla';
  src:url('../fonts/karla-var.woff2') format('woff2-variations'),
      url('../fonts/karla-var.woff2') format('woff2');
  font-weight:300 700; font-style:normal; font-display:swap;
}

/* ---------- Tokens ---------- */
:root{
  --navy:#061B3A;
  --blue:#075BC8;
  --blue-light:#EAF3FF;
  --gold:#D5A514;
  --white:#FFFFFF;
  --ink:#1D2939;
  --gray:#F4F6F8;

  --navy-800:#0A2A57;
  --blue-700:#064BA6;
  --border:#D8DFE8;
  --muted:#6A7686;

  --font-head:'Montserrat',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-body:'Karla',system-ui,-apple-system,'Segoe UI',sans-serif;

  --container:1200px;
  --gutter:24px;
  --radius-sm:6px;
  --radius:12px;
  --radius-lg:16px;
  --section-y:clamp(56px,7vw,104px);
  --shadow:0 8px 28px rgba(6,27,58,.10);
  --shadow-lg:0 18px 50px rgba(6,27,58,.16);
  --header-h:96px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:26px;
  color:var(--ink);
  background:var(--white);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--blue);text-decoration:none;}
a:hover{text-decoration:underline;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-head);
  color:var(--navy);
  letter-spacing:-.02em;
  line-height:1.15;
  margin:0 0 .6em;
  font-weight:700;
}
h1{font-size:clamp(2.1rem,1.3rem + 2.6vw,3.9rem);}
h2{font-size:clamp(1.7rem,1.2rem + 1.7vw,2.6rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:2px;}

/* ---------- Utilidades ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:var(--section-y);}
.section--soft{background:var(--gray);}
.section--blue{background:var(--blue-light);}
.section--dark{background:var(--navy);color:rgba(255,255,255,.8);}
.section--dark h1,.section--dark h2,.section--dark h3{color:#fff;}
.eyebrow{
  font-family:var(--font-head);font-weight:700;font-size:.75rem;
  letter-spacing:.22em;text-transform:uppercase;color:var(--gold);
  display:flex;align-items:center;gap:12px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--gold);flex:none;}
.eyebrow--center{justify-content:center;}
.lead{font-size:1.0625rem;line-height:1.75;color:#3C4757;}
.section--dark .lead{color:rgba(255,255,255,.75);}
.text-center{text-align:center;}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--gold);color:var(--navy);padding:12px 20px;
  font-family:var(--font-head);font-weight:700;
}
.skip-link:focus{left:0;}
.visually-hidden{
  position:absolute!important;width:1px;height:1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;
}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  font-family:var(--font-head);font-weight:600;font-size:.8125rem;
  letter-spacing:.08em;text-transform:uppercase;
  padding:1rem 1.9rem;border-radius:var(--radius-sm);border:1px solid transparent;
  background:var(--blue);color:#fff;cursor:pointer;
  min-height:48px;transition:background .2s ease,border-color .2s ease,color .2s ease;
  text-align:center;
}
.btn:hover{background:var(--blue-700);text-decoration:none;color:#fff;}
.btn--gold{background:var(--gold);color:var(--navy);}
.btn--gold:hover{background:#BE9111;color:var(--navy);}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn--outline{background:transparent;color:var(--navy);border-color:var(--border);}
.btn--outline:hover{background:var(--gray);color:var(--navy);}
.btn--block{width:100%;}
.btn svg{width:18px;height:18px;flex:none;}

/* ---------- Barra superior ---------- */
.topbar{
  background:var(--navy);color:rgba(255,255,255,.72);
  font-size:.8125rem;line-height:1.4;
}
.topbar .container{display:flex;flex-wrap:wrap;gap:8px 26px;align-items:center;justify-content:space-between;min-height:42px;padding-block:8px;}
.topbar a{color:rgba(255,255,255,.82);}
.topbar a:hover{color:var(--gold);}
.topbar__group{display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;}
.topbar__item{display:inline-flex;align-items:center;gap:8px;}
.topbar__item svg{width:14px;height:14px;color:var(--gold);flex:none;}

/* ---------- Encabezado ---------- */
.header{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--border);transition:box-shadow .2s ease;
}
.header.is-stuck{box-shadow:var(--shadow);}
.header .container{display:flex;align-items:center;gap:20px;min-height:var(--header-h);}
.brand{flex:none;display:inline-flex;align-items:center;}
.brand img{width:210px;}
.nav{margin-left:auto;}
.nav__list{display:flex;align-items:center;gap:clamp(14px,1.6vw,30px);}
.nav__link{
  font-family:var(--font-head);font-weight:600;font-size:.875rem;
  color:var(--navy);padding:8px 0;display:inline-block;position:relative;
}
.nav__link:hover{color:var(--blue);text-decoration:none;}
.nav__link[aria-current="page"]{color:var(--blue);}
.nav__link[aria-current="page"]::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--gold);
}
.header__actions{display:flex;align-items:center;gap:16px;flex:none;}
.lang{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-head);font-weight:700;font-size:.8125rem;
  letter-spacing:.06em;color:var(--navy);
}
.lang a{color:var(--muted);}
.lang a:hover{color:var(--blue);text-decoration:none;}
.lang .is-active{color:var(--navy);}
.lang span[aria-hidden]{color:var(--border);}
.nav-toggle{
  display:none;width:48px;height:48px;border:1px solid var(--border);
  border-radius:var(--radius-sm);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex:none;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--navy);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--navy);
}
.nav-toggle span::before{top:-6px;} .nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--navy);color:#fff;overflow:hidden;
  padding-block:clamp(72px,10vw,132px);
}
.hero__orbits{position:absolute;inset:0;pointer-events:none;opacity:.42;}
.hero__orbits svg{position:absolute;}
.hero__orbits .o1{right:-160px;top:-180px;width:760px;height:760px;}
.hero__orbits .o2{left:-220px;bottom:-320px;width:640px;height:640px;}
.hero .container{position:relative;z-index:1;max-width:920px;}
.hero h1{color:#fff;margin-bottom:.5em;}
.hero__text{font-size:1.125rem;line-height:1.75;color:rgba(255,255,255,.78);max-width:640px;margin-bottom:2rem;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero--inner{padding-block:clamp(56px,7vw,88px);}
.hero--inner h1{font-size:clamp(1.9rem,1.2rem + 2.2vw,3.1rem);}

/* Migas de pan */
.breadcrumb{font-size:.8125rem;color:rgba(255,255,255,.6);margin-bottom:18px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumb a{color:rgba(255,255,255,.8);}
.breadcrumb li+li::before{content:"›";margin-right:8px;color:var(--gold);}

/* ---------- Rejillas ---------- */
.grid{display:grid;gap:28px;}
.grid--2{grid-template-columns:repeat(2,1fr);}
.grid--3{grid-template-columns:repeat(3,1fr);}
.grid--4{grid-template-columns:repeat(4,1fr);}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center;}

/* ---------- Tarjetas de servicio ---------- */
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 28px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  height:100%;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#C3D2E4;}
.card__icon{width:52px;height:52px;margin-bottom:20px;color:var(--blue);}
.card__icon svg{width:100%;height:100%;}
.card h3{margin-bottom:.35em;}
.card__sub{
  font-family:var(--font-head);font-size:.6875rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:14px;
}
.card p{font-size:.9375rem;line-height:1.65;color:#4A5566;}
.card__link{
  margin-top:auto;padding-top:18px;font-family:var(--font-head);
  font-weight:600;font-size:.8125rem;letter-spacing:.06em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:8px;
}
.card__link::after{content:"→";transition:transform .2s ease;display:inline-block;}
.card:hover .card__link::after{transform:translateX(4px);}

/* ---------- Diferenciadores ---------- */
.feature{display:flex;gap:20px;align-items:flex-start;}
.feature__mark{
  width:44px;height:44px;border-radius:50%;flex:none;
  background:var(--blue-light);color:var(--blue);
  display:flex;align-items:center;justify-content:center;
}
.feature__mark svg{width:22px;height:22px;}
.section--dark .feature__mark{background:rgba(213,165,20,.14);color:var(--gold);}
.feature h3{font-size:1.0625rem;margin-bottom:.3em;}
.feature p{font-size:.9375rem;line-height:1.6;color:#4A5566;margin:0;}
.section--dark .feature p{color:rgba(255,255,255,.7);}

/* ---------- Marcador de imagen pendiente ---------- */
.media{border-radius:var(--radius);overflow:hidden;}
.media img{width:100%;}
.img-pending{
  position:relative;border:1px dashed #A9BBD1;border-radius:var(--radius);
  background:
    repeating-linear-gradient(45deg,rgba(7,91,200,.05) 0 12px,transparent 12px 24px),
    var(--blue-light);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:32px 24px;color:var(--navy);min-height:280px;gap:10px;
}
.img-pending svg{width:38px;height:38px;color:var(--blue);opacity:.55;}
.img-pending b{font-family:var(--font-head);font-size:.8125rem;letter-spacing:.08em;text-transform:uppercase;}
.img-pending span{font-size:.8125rem;color:var(--muted);max-width:34ch;line-height:1.5;}

/* ---------- Banda CTA ---------- */
.cta-band{
  background:var(--navy);color:#fff;border-radius:var(--radius-lg);
  padding:clamp(32px,4vw,52px);display:flex;flex-wrap:wrap;gap:28px;
  align-items:center;justify-content:space-between;position:relative;overflow:hidden;
}
.cta-band>*{position:relative;z-index:1;}
.cta-band__orbit{position:absolute;right:-90px;bottom:-150px;width:400px;height:400px;opacity:.16;pointer-events:none;z-index:0;}
.cta-band__text{flex:1 1 380px;}
.cta-band h2{color:#fff;margin-bottom:.35em;font-size:clamp(1.4rem,1.1rem + 1.1vw,2rem);}
.cta-band p{color:rgba(255,255,255,.72);margin:0;max-width:56ch;}

/* ---------- Formularios ---------- */
.form{display:grid;gap:20px;}
.form__row{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.form__row--3{grid-template-columns:repeat(3,1fr);}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{
  font-family:var(--font-head);font-weight:600;font-size:.8125rem;color:var(--navy);
}
.field .req{color:var(--blue);}
.field input,.field select,.field textarea{
  font-family:var(--font-body);font-size:1rem;color:var(--ink);
  padding:13px 15px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:#fff;width:100%;min-height:48px;transition:border-color .15s ease,box-shadow .15s ease;
}
.field textarea{min-height:130px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--blue);box-shadow:0 0 0 3px rgba(7,91,200,.16);outline:none;
}
.field input[aria-invalid="true"],.field textarea[aria-invalid="true"],.field select[aria-invalid="true"]{
  border-color:#C0392B;box-shadow:0 0 0 3px rgba(192,57,43,.14);
}
.field__hint{font-size:.8125rem;color:var(--muted);}
.field__error{font-size:.8125rem;color:#C0392B;font-weight:700;min-height:0;}
.field--check{flex-direction:row;align-items:flex-start;gap:12px;}
.field--check input{width:20px;height:20px;min-height:0;flex:none;margin-top:3px;}
.field--check label{font-family:var(--font-body);font-weight:400;font-size:.9375rem;line-height:1.55;color:#4A5566;}
.form fieldset{border:0;padding:0;margin:0;display:grid;gap:20px;}
.form legend{
  font-family:var(--font-head);font-weight:700;font-size:.75rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold);padding:0;margin-bottom:4px;
}
.form__hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden;}
.form__status{
  border-radius:var(--radius-sm);padding:16px 18px;font-size:.9375rem;display:none;
}
.form__status.is-error{display:block;background:#FDECEA;color:#8C2F26;border:1px solid #F3C6C0;}
.form__status.is-ok{display:block;background:#EAF6EC;color:#1E6B33;border:1px solid #BFE3C7;}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:clamp(26px,3.5vw,44px);box-shadow:var(--shadow);
}

/* ---------- Contacto ---------- */
.contact-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 28px;text-align:center;height:100%;
}
.contact-card__icon{
  width:56px;height:56px;border-radius:50%;background:var(--blue-light);color:var(--blue);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;
}
.contact-card__icon svg{width:24px;height:24px;}
.contact-card h3{font-size:1.0625rem;margin-bottom:.5em;}
.contact-card p{font-size:.9375rem;color:#4A5566;margin:0;}
.pending-data{
  display:inline-block;font-family:var(--font-head);font-size:.75rem;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  background:var(--gray);border:1px dashed var(--border);border-radius:4px;padding:3px 9px;
}

/* ---------- Acordeón de preguntas ---------- */
.faq{border-top:1px solid var(--border);}
.faq__item{border-bottom:1px solid var(--border);}
.faq__q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  font-family:var(--font-head);font-weight:600;font-size:1.0625rem;color:var(--navy);
  padding:22px 44px 22px 0;position:relative;line-height:1.4;
}
.faq__q::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  color:var(--gold);font-size:1.4rem;font-weight:400;line-height:1;
}
.faq__q[aria-expanded="true"]::after{content:"−";}
.faq__a{padding:0 0 22px;color:#4A5566;font-size:.9375rem;line-height:1.7;}
.faq__a[hidden]{display:none;}

/* ---------- Lista de comprobación ---------- */
.checklist li{
  display:flex;gap:12px;align-items:flex-start;padding:9px 0;
  font-size:.9375rem;line-height:1.6;
}
.checklist svg{width:19px;height:19px;color:var(--blue);flex:none;margin-top:4px;}
.section--dark .checklist svg{color:var(--gold);}

/* ---------- Pasos del proceso ---------- */
.steps{counter-reset:step;display:grid;gap:2px;}
.step{display:flex;gap:24px;padding:24px 0;border-bottom:1px solid var(--border);}
.step:last-child{border-bottom:0;}
.step__n{
  font-family:var(--font-head);font-weight:700;font-size:1.1rem;color:var(--gold);
  flex:none;width:44px;
}
.step h3{font-size:1.0625rem;margin-bottom:.3em;}
.step p{font-size:.9375rem;color:#4A5566;margin:0;}

/* ---------- Pie ---------- */
.footer{background:var(--navy);color:rgba(255,255,255,.7);padding-block:clamp(48px,6vw,76px) 0;font-size:.9375rem;}
.footer h3{
  color:#fff;font-size:.8125rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:20px;
}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer img.footer__logo{width:230px;margin-bottom:22px;}
.footer a{color:rgba(255,255,255,.72);}
.footer a:hover{color:var(--gold);text-decoration:none;}
.footer li{padding:6px 0;}
.footer__bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding-block:22px;display:flex;flex-wrap:wrap;gap:12px 26px;
  justify-content:space-between;font-size:.8125rem;color:rgba(255,255,255,.5);
}
.social{display:flex;gap:10px;margin-top:20px;}
.social a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;
}
.social a:hover{background:rgba(255,255,255,.1);border-color:var(--gold);}
.social svg{width:16px;height:16px;}

/* ---------- Botón flotante ---------- */
.float-actions{position:fixed;right:18px;bottom:18px;z-index:90;display:flex;flex-direction:column;gap:10px;}
.float-btn{
  width:54px;height:54px;border-radius:50%;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);
}
.float-btn:hover{background:var(--blue);text-decoration:none;}
.float-btn svg{width:24px;height:24px;}
.float-btn--wa{background:#25D366;color:#fff;}
.float-btn--wa:hover{background:#1EBE5A;}

/* ---------- Animación de entrada ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px;}
  .grid--4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:940px){
  :root{--header-h:78px;}
  .brand img{width:170px;}
  .nav-toggle{display:flex;}
  .nav{
    position:fixed;inset:var(--header-h) 0 auto 0;background:#fff;
    border-bottom:1px solid var(--border);box-shadow:var(--shadow);
    max-height:calc(100dvh - var(--header-h));overflow-y:auto;
    display:none;margin-left:0;
  }
  .nav.is-open{display:block;}
  .nav__list{flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 24px;}
  .nav__list li{border-bottom:1px solid var(--border);}
  .nav__link{padding:16px 0;font-size:1rem;width:100%;}
  .nav__link[aria-current="page"]::after{display:none;}
  .header__actions{margin-left:auto;}
  .header__actions .btn{display:none;}
  .grid--3{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;}
  .split--reverse>*:first-child{order:2;}
}
@media (max-width:680px){
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr;}
  .form__row,.form__row--3{grid-template-columns:1fr;}
  .footer__grid{grid-template-columns:1fr;gap:32px;}
  .topbar .container{justify-content:center;text-align:center;}
  .hero__actions .btn{width:100%;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- Impresión ---------- */
@media print{
  .topbar,.nav,.float-actions,.btn{display:none!important;}
  body{color:#000;}
}