/* =========================================================
   PAES TEXTIL — Landing B2B
   1. Variables (colores, tipografía, medidas)
   2. Base y utilidades
   3. Navegación
   4. Hero
   5. Barra de confianza
   6. Servicios
   7. ¿Por qué PAES?
   8. Formulario
   9. CTA final y footer
   10. Responsive (tablet / desktop)
   11. Accesibilidad y movimiento reducido
   ========================================================= */

/* ============ 1. VARIABLES ============ */
/* Para cambiar la identidad visual, modifica SOLO este bloque. */
:root{
  --navy:#0F2A44;
  --navy-deep:#0A1E31;
  --navy-soft:#1B3E5C;
  --accent:#12A39B;          /* turquesa / verde azulado */
  --accent-dark:#0E8B84;
  --accent-soft:#E6F5F4;
  --gold:#C9A46A;            /* acento beige/dorado, uso mínimo */
  --white:#FFFFFF;
  --gray-50:#F5F7F8;
  --gray-100:#ECEFF1;
  --gray-300:#D5DBE0;
  --gray-500:#6B7A88;
  --text:#2E3A45;
  --error:#C0392B;

  --font:'Montserrat',-apple-system,'Segoe UI',Roboto,Arial,sans-serif;

  --radius:10px;
  --radius-sm:6px;
  --shadow:0 2px 10px rgba(15,42,68,.07);
  --shadow-md:0 6px 24px rgba(15,42,68,.10);

  --container:1160px;
  --header-h:70px;
}

/* ============ 2. BASE ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-weight:400;
  font-size:16px;
  line-height:1.6;
  color:var(--text);
  background:var(--white);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
h1,h2,h3{margin:0;font-weight:700;color:var(--navy);line-height:1.2;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.container--narrow{max-width:800px;}
.section{padding:56px 0;}
.section__head{max-width:640px;margin:0 auto 32px;text-align:center;}
.section__title{font-size:1.5rem;}
.section__sub{margin-top:12px;color:var(--gray-500);font-size:.95rem;}

.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;
}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--navy);color:#fff;padding:12px 18px;border-radius:0 0 var(--radius-sm) 0;
}
.skip-link:focus{left:0;}

/* Botones */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font);font-weight:600;font-size:.875rem;letter-spacing:.03em;
  padding:14px 24px;border-radius:var(--radius-sm);border:1px solid transparent;
  cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease;
  min-height:48px;text-align:center;
}
.btn--accent{background:var(--accent);color:#fff;}
.btn--accent:hover{background:var(--accent-dark);}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--gray-300);}
.btn--ghost:hover{background:var(--gray-50);border-color:var(--gray-500);}
.btn--outline{background:transparent;color:var(--navy);border-color:var(--navy);}
.btn--outline:hover{background:var(--navy);color:#fff;}
.btn--lg{padding:16px 28px;font-size:.95rem;}
.btn--sm{padding:10px 18px;min-height:42px;}
.btn--block{width:100%;}
.btn--whatsapp{background:var(--navy);color:#fff;border-color:var(--navy);}
.btn--whatsapp:hover{background:var(--navy-soft);border-color:var(--navy-soft);}
.btn--accent,.btn--whatsapp,.btn--ghost,.btn--outline{
  transition:transform .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn--accent:hover,.btn--whatsapp:hover,.btn--ghost:hover,.btn--outline:hover{transform:translateY(-1px);}

/* Aparición suave de secciones */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* ============ 3. NAVEGACIÓN ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--gray-100);
  backdrop-filter:saturate(1.2) blur(6px);
}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:var(--header-h);gap:16px;}
.nav__logo{height:34px;width:auto;object-fit:contain;}
.nav__toggle{
  background:none;border:0;padding:10px;cursor:pointer;color:var(--navy);
  display:inline-flex;align-items:center;justify-content:center;
}
.nav__toggle-box{position:relative;display:block;width:22px;height:14px;}
.nav__bar,.nav__bar::before,.nav__bar::after{
  position:absolute;left:0;width:22px;height:2px;background:var(--navy);
  border-radius:2px;transition:transform .25s ease,opacity .2s ease;
}
.nav__bar{top:6px;}
.nav__bar::before{content:"";top:-6px;}
.nav__bar::after{content:"";top:6px;}
.nav__toggle[aria-expanded="true"] .nav__bar{background:transparent;}
.nav__toggle[aria-expanded="true"] .nav__bar::before{transform:translateY(6px) rotate(45deg);}
.nav__toggle[aria-expanded="true"] .nav__bar::after{transform:translateY(-6px) rotate(-45deg);}

.nav__menu{
  position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--gray-100);
  padding:8px 20px 20px;display:none;
}
.nav__menu.is-open{display:block;}
.nav__list li{border-bottom:1px solid var(--gray-100);}
.nav__link{display:block;padding:14px 0;font-weight:500;color:var(--navy);}
.nav__link:hover{color:var(--accent);}
.nav__actions{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
.nav__actions .btn{width:100%;margin-top:0;}

/* ============ 4. HERO ============ */
.hero{
  position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;
  background-color:var(--navy-deep);
  background-image:url("hero-wordpress.png");
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
/* Overlay: degradado navy transparente hacia la derecha, solo para legibilidad */
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(10,30,49,.55) 0%,rgba(10,30,49,.35) 55%,rgba(10,30,49,.55) 100%);
}
.hero__inner{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;}
.hero__content{max-width:600px;animation:heroContentIn .7s cubic-bezier(.22,1,.36,1) both;}
@keyframes heroContentIn{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:none;}}
.hero__eyebrow{
  color:var(--accent);font-weight:600;font-size:.75rem;letter-spacing:.16em;margin-bottom:14px;
}
.hero__title{color:#fff;font-size:2rem;line-height:1.14;}
.hero__text{color:rgba(255,255,255,.88);margin:18px 0 28px;font-size:1.02rem;max-width:34em;}
.hero__note{color:rgba(255,255,255,.72);font-size:.82rem;margin-top:14px;}

/* ============ 5. BARRA DE CONFIANZA ============ */
.trust{background:var(--gray-50);border-bottom:1px solid var(--gray-100);}
.trust__grid{display:grid;grid-template-columns:1fr;gap:14px;padding-top:24px;padding-bottom:24px;}
.trust__item{display:flex;align-items:center;gap:12px;font-weight:500;font-size:.9rem;color:var(--navy);}
.trust__icon{width:22px;height:22px;flex:0 0 22px;fill:var(--accent);}

/* ============ 6. SERVICIOS ============ */
.cards{display:grid;grid-template-columns:1fr;gap:16px;}
.card{
  background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius);
  padding:26px 22px;cursor:pointer;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease,background-color .25s ease;
}
.card:hover,.card:focus-visible{border-color:var(--accent);box-shadow:var(--shadow-md);transform:translateY(-3px);}
.card:active{transform:translateY(-1px);}
.card:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.card__icon{width:30px;height:30px;fill:var(--navy);margin-bottom:16px;}
.card:hover .card__icon{fill:var(--accent);}
.card__title{font-size:.95rem;letter-spacing:.04em;margin-bottom:10px;}
.card__text{color:var(--gray-500);font-size:.9rem;}

/* ============ 7. ¿POR QUÉ PAES? ============ */
.why{background:var(--gray-50);}
.why__grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
.why__media img{border-radius:var(--radius);object-fit:cover;width:100%;max-height:340px;}
.why__list{display:grid;gap:20px;margin-top:26px;}
.why__list li{border-left:3px solid var(--accent);padding-left:16px;}
.why__list h3{font-size:.9rem;letter-spacing:.05em;margin-bottom:6px;}
.why__list p{color:var(--gray-500);font-size:.9rem;}

/* ============ 8. FORMULARIO ============ */
.form-section{background:#fff;scroll-margin-top:calc(var(--header-h) + 10px);}
.form-card{
  background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:24px 20px 28px;
}

.steps{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:14px;}
.steps__item{display:flex;align-items:center;gap:8px;flex:1;min-width:0;color:var(--gray-500);}
.steps__num{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.75rem;font-weight:700;background:var(--gray-100);color:var(--gray-500);
  transition:background-color .25s ease,color .25s ease;
}
.steps__label{font-size:.68rem;font-weight:600;letter-spacing:.06em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.steps__item.is-active .steps__num,
.steps__item.is-done .steps__num{background:var(--accent);color:#fff;}
.steps__item.is-active,
.steps__item.is-done{color:var(--navy);}

.progress{height:4px;background:var(--gray-100);border-radius:4px;overflow:hidden;margin-bottom:26px;}
.progress__bar{display:block;height:100%;width:33.33%;background:var(--accent);border-radius:4px;transition:width .3s ease;}

.step{display:none;border:0;padding:0;margin:0;min-width:0;}
.step.is-active{display:block;animation:stepIn .25s ease;}
@keyframes stepIn{from{opacity:0;transform:translateX(8px);}to{opacity:1;transform:none;}}

.field{margin-bottom:18px;}
.field label,.field__question{
  display:block;font-weight:600;font-size:.82rem;color:var(--navy);
  margin-bottom:8px;letter-spacing:.02em;
}
.field__hint{font-size:.78rem;color:var(--gray-500);margin:-4px 0 10px;}
.req{color:var(--accent);}
.field input,.field textarea{
  width:100%;font-family:var(--font);font-size:.95rem;color:var(--text);
  padding:13px 14px;border:1px solid var(--gray-300);border-radius:var(--radius-sm);
  background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:120px;}
.field input::placeholder,.field textarea::placeholder{color:#9AA7B2;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);
}
.field input.has-error,.field textarea.has-error{border-color:var(--error);}
.error{font-size:.76rem;color:var(--error);margin-top:6px;display:none;}
.error.is-visible{display:block;}

.field-row{display:grid;grid-template-columns:1fr;gap:0;}

/* Opciones seleccionables */
.options{display:grid;grid-template-columns:1fr;gap:10px;}
.option{
  position:relative;display:flex;align-items:center;gap:12px;
  border:1px solid var(--gray-300);border-radius:var(--radius-sm);
  padding:13px 14px;cursor:pointer;background:#fff;
  transition:border-color .2s ease,background-color .2s ease;
}
.option:hover{border-color:var(--accent);}
.option input{position:absolute;opacity:0;width:1px;height:1px;}
.option__mark{
  flex:0 0 20px;width:20px;height:20px;border:2px solid var(--gray-300);
  border-radius:4px;display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,background-color .2s ease;
}
.option__mark--round{border-radius:50%;}
.option__mark::after{
  content:"";width:8px;height:8px;background:#fff;border-radius:2px;transform:scale(0);
  transition:transform .15s ease;
}
.option__mark--round::after{border-radius:50%;}
.option__label{font-size:.9rem;font-weight:500;color:var(--text);}
.option input:checked ~ .option__mark{background:var(--accent);border-color:var(--accent);}
.option input:checked ~ .option__mark::after{transform:scale(1);}
.option:has(input:checked){border-color:var(--accent);background:var(--accent-soft);}
.option input:focus-visible ~ .option__mark{outline:2px solid var(--navy);outline-offset:3px;}
.options.has-error .option{border-color:var(--error);}

.form-actions{display:flex;flex-direction:column;gap:12px;margin-top:26px;}
.form-actions .btn{width:100%;}
.form-legal{font-size:.76rem;color:var(--gray-500);margin-top:14px;text-align:center;}

/* Confirmación */
.confirm{text-align:center;padding:24px 4px 8px;}
.confirm__icon{width:52px;height:52px;fill:var(--accent);margin:0 auto 16px;}
.confirm__title{font-size:1.15rem;margin-bottom:12px;}
.confirm__text{color:var(--gray-500);font-size:.92rem;max-width:34em;margin:0 auto 18px;}
.confirm__demo{
  display:inline-block;font-size:.78rem;color:var(--navy);
  background:var(--gray-50);border:1px dashed var(--gray-300);
  border-radius:var(--radius-sm);padding:10px 14px;margin-bottom:20px;
}

/* ============ 9. CTA FINAL Y FOOTER ============ */
.cta-final{background:var(--navy);color:#fff;padding:56px 0;}
.cta-final__inner{text-align:center;max-width:640px;}
.cta-final__title{color:#fff;font-size:1.4rem;}
.cta-final__text{color:rgba(255,255,255,.82);margin:14px 0 26px;font-size:.98rem;}

.footer{background:var(--navy-deep);color:rgba(255,255,255,.75);padding:44px 0 0;font-size:.88rem;}
.footer__grid{display:grid;grid-template-columns:1fr;gap:28px;padding-bottom:28px;}
.footer__name{font-weight:700;color:#fff;letter-spacing:.08em;font-size:1rem;}
.footer__claim{margin-top:8px;}
.footer__head{
  color:#fff;font-weight:600;font-size:.76rem;letter-spacing:.1em;
  margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer__nav li,.footer__links li{margin-bottom:8px;}
.footer__nav a:hover,.footer__links a:hover{color:var(--accent);}
.footer__links a{overflow-wrap:anywhere;}
.footer__ph{color:rgba(255,255,255,.4);font-size:.74rem;}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:18px;padding-bottom:18px;
  font-size:.78rem;color:rgba(255,255,255,.55);
}
.cta-final__inner{margin-left:auto;margin-right:auto;}

/* ============ 10. RESPONSIVE ============ */
@media (min-width:600px){
  .trust__grid{grid-template-columns:1fr 1fr;gap:18px;}
  .cards{grid-template-columns:1fr 1fr;}
  .field-row{grid-template-columns:1fr 1fr;gap:0 16px;}
  .options{grid-template-columns:1fr 1fr;}
  .form-actions{flex-direction:row;justify-content:space-between;}
  .form-actions .btn{width:auto;min-width:170px;}
  .form-actions--end{justify-content:flex-end;}
  .form-card{padding:32px 30px 34px;}
  .steps__label{font-size:.72rem;}
}

@media (min-width:900px){
  .section{padding:84px 0;}
  .section__title{font-size:1.9rem;}
  .hero{min-height:75vh;background-position:center;}
  /* En pantallas anchas el degradado solo oscurece el 45-55% izquierdo */
  .hero::before{
    background:linear-gradient(90deg,
      rgba(10,30,49,.55) 0%,
      rgba(10,30,49,.42) 30%,
      rgba(10,30,49,.20) 50%,
      rgba(10,30,49,.05) 70%,
      rgba(10,30,49,0) 85%);
  }
  .hero__content{width:45%;max-width:560px;min-width:420px;}
  .hero__title{font-size:2.9rem;}
  .hero__text{font-size:1.1rem;}
  .trust__grid{grid-template-columns:repeat(4,1fr);padding-top:28px;padding-bottom:28px;}
  .cards{grid-template-columns:repeat(4,1fr);gap:20px;}
  .why__grid{grid-template-columns:0.9fr 1.1fr;gap:56px;}
  .why__media img{max-height:none;aspect-ratio:4/5;}
  .cta-final{padding:72px 0;}
  .cta-final__title{font-size:1.8rem;}
  .footer__grid{grid-template-columns:2fr 1fr 1fr;gap:40px;}

  /* Navegación en escritorio */
  .nav__toggle{display:none;}
  .nav__menu{
    position:static;display:flex;align-items:center;gap:28px;
    padding:0;border:0;background:transparent;
  }
  .nav__list{display:flex;align-items:center;gap:26px;}
  .nav__list li{border:0;}
  .nav__link{padding:6px 0;font-size:.9rem;}
  .nav__actions{flex-direction:row;align-items:center;gap:10px;margin-top:0;}
  .nav__actions .btn{width:auto;}
}

/* ============ 11. ACCESIBILIDAD Y MOVIMIENTO ============ */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px;}
.site-header :focus-visible,.hero :focus-visible{outline-color:var(--accent);}

@media (max-width:599px){
  .nav__actions .btn{font-size:.72rem;padding:10px 12px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
  .hero__content{animation:none;}
}