/* =============================================================================
   Pilar — landing
   Tokens y estructura tomados del maquetado original; se agregan hero con foto,
   foto de contención, estados del formulario y accesibilidad básica.
   ============================================================================= */
:root{
  --bg: #F7F5F0;
  --card: #FFFFFF;
  --ink: #24303B;
  --ink-soft: #57636D;
  --teal: #46606F;
  --teal-deep: #1F3140;
  --gold: #C97354;
  --gold-soft: #F0D6C9;
  --line: #DFD8CC;
  --error: #B4413A;
  --radius: 14px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a{ color: inherit; }
img{ max-width:100%; display:block; }
:focus-visible{ outline: 2px solid var(--teal); outline-offset: 3px; }

.wrap{ max-width: 1080px; margin: 0 auto; padding: 0 28px; }

/* -------- Nav -------- */
header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(246,243,236,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
nav.wrap{
  display:flex; align-items:center; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-weight:700; font-size: 1.15rem; letter-spacing: -0.01em;
  color: var(--teal-deep); text-decoration:none;
}
.logo-icon{ height: 28px; width: auto; display:block; }
.logo-lockup{ height: 42px; width: auto; display:block; }
footer .logo-footer{ gap: 0; }

nav ul{
  list-style:none; display:flex; gap: 32px; margin:0; padding:0;
  font-size: 0.92rem; color: var(--ink-soft);
}
nav ul a{ text-decoration:none; }
nav ul a:hover{ color: var(--teal-deep); }
.nav-links{ display:flex; }
.nav-right{ display:flex; align-items:center; gap: 18px; }

.nav-toggle{ position:absolute; opacity:0; pointer-events:none; }
.nav-toggle-label{
  display:none; flex-direction:column; justify-content:center; gap: 5px;
  width: 34px; height: 34px; cursor:pointer;
}
.nav-toggle-label span{
  display:block; height: 2px; width: 100%; background: var(--teal-deep);
  border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease;
}
.mobile-menu{ display:none; }

@media (max-width: 720px){
  .nav-links{ display:none; }
  .nav-toggle-label{ display:flex; }
  .mobile-menu{
    display:block; max-height: 0; overflow:hidden;
    background: var(--card); border-bottom: 1px solid var(--line);
    transition: max-height 0.25s ease;
  }
  .mobile-menu .wrap{ display:flex; flex-direction:column; gap: 4px; padding-top: 12px; padding-bottom: 18px; }
  .mobile-menu a{
    text-decoration:none; color: var(--ink); font-weight: 600;
    padding: 12px 0; border-bottom: 1px solid var(--line);
  }
  .mobile-menu a:last-child{ border-bottom:none; }
  .nav-toggle:checked ~ .mobile-menu{ max-height: 360px; }
  .nav-toggle:checked ~ header .nav-toggle-label span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle:checked ~ header .nav-toggle-label span:nth-child(2){ opacity:0; }
  .nav-toggle:checked ~ header .nav-toggle-label span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
}

.btn{
  display:inline-block; background: var(--teal-deep); color: #fff;
  padding: 13px 26px; border-radius: 999px; text-decoration:none;
  font-weight: 600; font-size: 0.95rem; border: none; cursor: pointer;
  font-family: inherit;
  transition: transform 0.15s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover{ background: var(--teal); transform: translateY(-1px); }
.btn:disabled{ opacity: .6; cursor: progress; transform:none; }
.btn-nav{ padding: 10px 22px; font-size: 0.9rem; box-shadow: 0 4px 14px rgba(31,49,64,0.25); }
.btn-nav:hover{ box-shadow: 0 6px 18px rgba(31,49,64,0.32); }

/* -------- Hero -------- */
.hero{ position: relative; padding: 72px 0 72px; overflow: hidden; }
.pillars-bg{
  position:absolute; inset:0; display:flex; justify-content: space-between;
  pointer-events:none; opacity: 0.5;
}
.pillars-bg .p{
  width: 1px; background: linear-gradient(to top, var(--teal) 0%, transparent 100%);
  transform-origin: bottom; animation: grow 1.4s cubic-bezier(.2,.8,.2,1) forwards; opacity: 0.28;
}
@keyframes grow{ from{ transform: scaleY(0); } to{ transform: scaleY(1); } }

.hero-grid{
  position: relative;
  display:grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: stretch;
}
.hero-inner{ position: relative; max-width: 520px; align-self: center; }
.hero-photo{
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 360px;
  background: var(--line);
  box-shadow: 0 18px 44px rgba(31,49,64,0.16);
}
.hero-photo picture, .hero-photo img{ position:absolute; inset:0; width:100%; height:100%; }
.hero-photo img{ object-fit: cover; object-position: 60% 40%; }
.hero h1{ font-size: clamp(2rem, 3.4vw, 2.6rem); }

@media (max-width: 860px){
  .hero{ padding: 56px 0 56px; }
  .hero-grid{ grid-template-columns: 1fr; gap: 36px; }
  .hero-inner{ max-width: none; }
  .hero-photo{ min-height: 0; aspect-ratio: 4 / 3; box-shadow: none; }
  .hero-photo picture, .hero-photo img{ position:static; }
  .hero-photo img{ aspect-ratio: 4 / 3; }
  .hero-cta .btn{ width:100%; text-align:center; }
}

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size: 0.82rem; font-weight:600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 22px;
}
.eyebrow::before{ content:''; width: 18px; height: 1.5px; background: var(--gold); flex-shrink:0; }
h1{
  font-size: clamp(2.1rem, 4.4vw, 3.1rem); line-height: 1.18; margin: 0 0 22px;
  font-weight: 700; letter-spacing: -0.015em; color: var(--teal-deep);
}
.hero p.sub{ font-size: 1.12rem; color: var(--ink-soft); margin: 0 0 34px; max-width: 520px; }
.hero-cta{ display:flex; align-items:center; gap: 18px; flex-wrap: wrap; }
.hero-note{ font-size: 0.85rem; color: var(--ink-soft); }

/* -------- Sections -------- */
section{ padding: 76px 0; }
.divider{ height:1px; background: var(--line); max-width: 1080px; margin: 0 auto; }
.section-head{ max-width: 620px; margin: 0 0 48px; }
.section-head .eyebrow{ color: var(--teal); }
.section-head .eyebrow::before{ background: var(--teal); }
h2{
  font-size: clamp(1.6rem, 3vw, 2.15rem); color: var(--teal-deep);
  margin: 0 0 14px; font-weight: 700; letter-spacing: -0.01em;
}
.section-head p{ color: var(--ink-soft); font-size: 1.05rem; margin:0; }

/* -------- Qué es -------- */
.about-grid{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: start; }
@media (max-width: 800px){ .about-grid{ grid-template-columns: 1fr; } }
.about-grid p{ color: var(--ink-soft); font-size: 1.03rem; margin: 0 0 18px; }
.quote-stack{
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; display:flex; flex-direction: column; gap: 20px;
}
.quote-stack .label{
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--gold); font-weight: 700; display:block;
}
.quote-item{ padding-top: 16px; border-top: 1px solid var(--line); }
.quote-stack .label + .quote-item{ border-top: none; padding-top: 2px; }
.quote-item p{ font-style: italic; color: var(--teal-deep); font-size: 1rem; margin: 0 0 8px; line-height: 1.5; }
.quote-attr{ font-size: 0.85rem; color: var(--ink-soft); font-style: normal; font-weight: 600; }

/* Foto de contención (debajo de las citas) */
.contencion-photo{
  margin: 56px 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1890 / 832;
  background: var(--line);
}
.contencion-photo img{ width:100%; height:100%; object-fit: cover; }
@media (max-width: 800px){
  .contencion-photo{ margin-top: 40px; aspect-ratio: 16 / 9; }
}

/* -------- Pilares -------- */
.pilares{ background: var(--teal-deep); color: #F6F3EC; }
.pilares .section-head .eyebrow{ color: var(--gold-soft); }
.pilares .section-head .eyebrow::before{ background: var(--gold-soft); }
.pilares h2{ color: #fff; }
.pilares .section-head p{ color: #C9D6D0; }
.pilar-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
@media (max-width: 820px){ .pilar-grid{ grid-template-columns: 1fr; gap: 28px; } }
.pilar-item{ padding: 8px 32px 8px 26px; border-left: 2px solid rgba(255,255,255,0.15); }
.pilar-item:first-child{ padding-left: 0; border-left: none; }
@media (max-width: 820px){
  .pilar-item{ padding-left: 0; padding-right: 0; border-left: none; }
}
.pilar-item .num{
  font-size: 0.82rem; color: var(--gold-soft); font-weight: 700;
  letter-spacing: 0.06em; margin-bottom: 14px; display:block;
}
.pilar-item h3{ font-size: 1.18rem; margin: 0 0 12px; font-weight: 600; }
.pilar-item p{ color: #C9D6D0; font-size: 0.98rem; margin:0; }

/* -------- Cita destacada -------- */
.quote-block{ background: var(--gold-soft); border-radius: var(--radius); padding: 48px; text-align:center; }
.quote-block p{
  font-size: clamp(1.2rem, 2.4vw, 1.55rem); color: var(--teal-deep); font-weight: 600;
  line-height: 1.5; max-width: 640px; margin: 0 auto 18px;
}
.quote-block span{ font-size: 0.92rem; color: var(--ink-soft); }

/* -------- FAQ -------- */
.faq-list{ display:flex; flex-direction: column; gap: 14px; max-width: 760px; }
.faq-item{ background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 4px 24px; }
.faq-item summary{
  list-style: none; cursor: pointer; padding: 18px 0; font-weight: 600; font-size: 1.02rem;
  color: var(--teal-deep); display:flex; align-items:center; justify-content: space-between; gap: 16px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:'+'; flex-shrink:0; width: 26px; height: 26px; border-radius: 50%;
  background: var(--bg); color: var(--gold); font-size: 1.2rem; font-weight: 700;
  display:flex; align-items:center; justify-content:center; transition: transform 0.2s ease;
}
.faq-item[open] summary::after{ content:'−'; }
.faq-answer{ padding: 0 0 22px; color: var(--ink-soft); font-size: 0.98rem; line-height: 1.6; }
.faq-answer p{ margin:0 0 10px; }
.faq-answer p:last-child{ margin-bottom:0; }

/* -------- Formulario -------- */
.form-section{ background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 56px; }
@media (max-width: 640px){ .form-section{ padding: 32px 24px; } }
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 32px; }
@media (max-width: 640px){ .form-grid{ grid-template-columns: 1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column: 1 / -1; }
label{ font-size: 0.85rem; font-weight: 600; color: var(--teal-deep); }
input, select, textarea{
  font-family: 'Inter', sans-serif; font-size: 0.97rem; padding: 13px 15px;
  border-radius: 10px; border: 1.5px solid var(--line); background: var(--bg);
  color: var(--ink); outline: none; transition: border-color 0.15s ease; width: 100%;
}
input:focus, select:focus, textarea:focus{ border-color: var(--teal); }
textarea{ resize: vertical; min-height: 90px; }
.field.has-error input, .field.has-error select, .field.has-error textarea{ border-color: var(--error); }
.field-error{ font-size: 0.8rem; color: var(--error); min-height: 1em; }
.form-grid .btn{ margin-top: 6px; width: fit-content; }
.form-privacy{ font-size: 0.82rem; color: var(--ink-soft); margin-top: 18px; }
.confirm-msg{
  display:none; background: var(--gold-soft); color: var(--teal-deep);
  padding: 16px 20px; border-radius: 10px; font-weight: 600; margin-top: 24px;
}
.confirm-msg.is-error{ background: #F6E1DF; color: var(--error); }
.confirm-msg.is-visible{ display:block; }
.hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

/* -------- Carga suave de imágenes -------- */
/* Las fotos arrancan invisibles y levemente desenfocadas; JS agrega .is-loaded
   cuando el bitmap está listo (o inmediatamente si ya venía en caché). */
.img-fade{
  opacity: 0;
  filter: blur(6px);
  transform: scale(1.02);
  transition: opacity .7s cubic-bezier(.2,.8,.2,1), filter .7s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.2,.8,.2,1);
  will-change: opacity, filter, transform;
}
.img-fade.is-loaded{ opacity: 1; filter: blur(0); transform: none; }
.no-js .img-fade{ opacity: 1; filter: none; transform: none; }

/* -------- FAQ: despliegue animado -------- */
/* El contenido de la respuesta se envuelve en .faq-body (grid 0fr → 1fr) que
   JS anima; <details> sigue siendo el estado real (accesible, funciona sin JS). */
.faq-answer{ overflow: hidden; }
.faq-item.js summary::after{ transition: transform .28s cubic-bezier(.2,.8,.2,1), background .2s ease; }
.faq-item.js[open] summary::after{ transform: rotate(180deg); }
.faq-item.js summary:hover::after{ background: var(--gold-soft); }
.faq-item.js .faq-body{
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .32s cubic-bezier(.2,.8,.2,1);
}
.faq-item.js .faq-body > .faq-answer{
  min-height: 0;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .26s ease .06s, transform .3s cubic-bezier(.2,.8,.2,1) .04s;
}
.faq-item.js.is-open .faq-body{ grid-template-rows: 1fr; }
.faq-item.js.is-open .faq-body > .faq-answer{ opacity: 1; transform: none; }

/* -------- Footer -------- */
footer{ padding: 44px 0; border-top: 1px solid var(--line); }
footer .wrap{ display:flex; justify-content: space-between; align-items:center; flex-wrap: wrap; gap: 12px; }
footer .foot-text{ font-size: 0.88rem; color: var(--ink-soft); }
footer .logo{ font-size: 1rem; }