/* ============================================================
   NOVEM IA — Sistema de diseño
   Navy Premium + Gold + Blanco. Minimalista, tecnológico, premium.
   ============================================================ */

:root{
  --navy:        #0B2459;
  --navy-dark:   #112240;
  --gold:        #C89B3C;
  --gold-dark:   #A97A1F;
  --white:       #FFFFFF;
  --gray-light:  #F7F8FA;
  --gray-medium: #D9DEE5;
  --text-main:   #112240;
  --text-slate:  #6B7280;

  --glass-bg:     rgba(255,255,255,0.75);
  --glass-border: rgba(11,36,89,0.08);

  --font-display: "Space Grotesk", "Manrope", "Inter", sans-serif;
  --font-body:    "Inter", "Manrope", sans-serif;

  --container: 1240px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --shadow-sm: 0 2px 14px rgba(11,36,89,0.06);
  --shadow-md: 0 12px 40px rgba(11,36,89,0.10);
  --shadow-gold: 0 10px 30px rgba(200,155,60,0.28);

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

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body{
  margin:0;
  font-family: var(--font-body);
  color: var(--text-main);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  color: var(--navy);
  line-height: 1.12;
  margin: 0 0 .5em;
  letter-spacing: -0.02em;
  font-weight: 700;
}
h1{ font-size: clamp(2.4rem, 5vw, 4.4rem); }
h2{ font-size: clamp(1.9rem, 3.4vw, 2.85rem); }
h3{ font-size: clamp(1.25rem, 2vw, 1.5rem); }
p{ margin: 0 0 1em; color: var(--text-slate); }
a{ color: inherit; text-decoration: none; }
img,svg{ max-width: 100%; display:block; }
ul{ padding-left: 1.15em; }

::selection{ background: var(--gold); color: var(--navy); }

/* Focus visibility — accesibilidad WCAG AA */
a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible{
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link{
  position:absolute; left:-999px; top:auto;
  background: var(--navy); color:#fff; padding: 12px 20px;
  border-radius: 0 0 10px 0; z-index: 999; font-weight:600;
}
.skip-link:focus{ left:0; top:0; }

.container{
  width:100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}
.section{ padding: clamp(64px, 9vw, 120px) 0; }
.section-tight{ padding: clamp(40px, 6vw, 72px) 0; }
.section-alt{ background: var(--gray-light); }
.section-navy{ background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%); color:#fff; }
.section-navy h2, .section-navy h3{ color:#fff; }
.section-navy p{ color: rgba(255,255,255,0.72); }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-display);
  font-size: .78rem; font-weight:600; letter-spacing:.14em; text-transform:uppercase;
  color: var(--gold-dark);
  margin-bottom: 14px;
}
.eyebrow::before{
  content:""; width:22px; height:2px; background: var(--gold); display:inline-block; border-radius:2px;
}
.section-navy .eyebrow{ color: var(--gold); }

.lede{ font-size: clamp(1.05rem, 1.6vw, 1.2rem); max-width: 62ch; color: var(--text-slate); }
.section-navy .lede{ color: rgba(255,255,255,0.75); }

.center{ text-align:center; margin-left:auto; margin-right:auto; }

/* ---------- Botones ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family: var(--font-display);
  font-weight:600; font-size: .98rem;
  padding: 15px 30px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor:pointer;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--navy);
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover{ transform: translateY(-2px) scale(1.02); box-shadow: 0 16px 38px rgba(200,155,60,.38); }
.btn-secondary{
  background: transparent;
  color: var(--navy);
  border-color: rgba(11,36,89,0.25);
}
.btn-secondary:hover{ background: var(--navy); color:#fff; border-color: var(--navy); }
.section-navy .btn-secondary{ color:#fff; border-color: rgba(255,255,255,0.35); }
.section-navy .btn-secondary:hover{ background:#fff; color: var(--navy); }
.btn-block{ width:100%; }
.btn-sm{ padding: 10px 20px; font-size:.88rem; }

.cta-row{ display:flex; flex-wrap:wrap; gap:16px; align-items:center; }

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index: 200;
  background: transparent;
  border-bottom: 1px solid var(--glass-border);
  transition: box-shadow .3s var(--ease);
}
/* El blur vive en un pseudo-elemento, no en .site-header, porque backdrop-filter
   en un ancestro crea un nuevo "containing block" para descendientes position:fixed
   (como el menú móvil .main-nav), rompiendo su posicionamiento a pantalla completa. */
.site-header::before{
  content:"";
  position:absolute; inset:0; z-index:-1;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}
.site-header.is-scrolled{ box-shadow: 0 6px 24px rgba(11,36,89,.08); }
.nav-wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px 28px;
  max-width: var(--container); margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:10px; font-family: var(--font-display); }
.brand svg{ width:34px; height:34px; flex-shrink:0; }
.brand-word{ font-size:1.28rem; font-weight:700; color: var(--navy); letter-spacing:-.01em; }
.brand-word span{ color: var(--gold-dark); }

.main-nav{ display:flex; align-items:center; gap:2px; }
.main-nav a{
  font-size:.94rem; font-weight:500; color: var(--text-main);
  padding: 10px 14px; border-radius: 999px; position:relative;
  transition: color .25s var(--ease), background .25s var(--ease);
}
.main-nav a:hover{ color: var(--navy); background: rgba(11,36,89,0.05); }
.main-nav a.active{ color: var(--navy); font-weight:700; }
.main-nav a.active::after{
  content:""; position:absolute; left:16px; right:16px; bottom:4px; height:2px;
  background: var(--gold); border-radius: 2px;
}

.nav-actions{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none; background:none; border:none; cursor:pointer; padding:8px;
  flex-direction:column; gap:5px;
}
.nav-toggle span{ width:24px; height:2px; background: var(--navy); border-radius:2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }

@media (max-width: 980px){
  .main-nav{
    position:fixed; inset: 72px 0 0 0; background: var(--white);
    flex-direction:column; align-items:stretch; gap:0; padding: 18px;
    transform: translateY(-12px); opacity:0; pointer-events:none;
    transition: opacity .3s var(--ease), transform .3s var(--ease);
    overflow-y:auto;
  }
  .main-nav.is-open{ opacity:1; transform:translateY(0); pointer-events:auto; }
  .main-nav a{ padding:16px 14px; border-bottom:1px solid var(--gray-medium); border-radius:0; }
  .nav-toggle{ display:flex; }
  .nav-actions .btn{ display:none; }
  .nav-actions.is-open .btn{ display:inline-flex; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  padding: clamp(90px,14vw,150px) 0 clamp(70px,9vw,110px);
  background:
    radial-gradient(ellipse 60% 50% at 85% 8%, rgba(200,155,60,0.14), transparent 60%),
    radial-gradient(ellipse 55% 45% at 5% 100%, rgba(11,36,89,0.08), transparent 60%),
    linear-gradient(180deg, #FFFFFF 0%, #F7F8FA 100%);
}
.hero-grid{
  position:absolute; inset:0; z-index:0; opacity:.5;
  background-image:
    linear-gradient(rgba(11,36,89,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,36,89,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 60% 20%, #000 40%, transparent 85%);
}
#hero-canvas{ position:absolute; inset:0; z-index:0; width:100%; height:100%; }
.hero-inner{ position:relative; z-index:2; }
.hero-content{ max-width: 780px; }
.hero-content h1{ margin-bottom: .42em; }
.hero-content h1 em{
  font-style:normal;
  background: linear-gradient(100deg, var(--gold-dark), var(--gold) 55%, var(--gold-dark));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-meta{ display:flex; flex-wrap:wrap; gap: 28px; margin-top: 44px; }
.hero-meta div{ font-family: var(--font-display); }
.hero-meta strong{ display:block; font-size:1.5rem; color:var(--navy); }
.hero-meta span{ font-size:.82rem; color: var(--text-slate); }

/* ---------- Cards ---------- */
.grid{ display:grid; gap: 26px; }
.grid-2{ grid-template-columns: repeat(2,1fr); }
.grid-3{ grid-template-columns: repeat(3,1fr); }
.grid-4{ grid-template-columns: repeat(4,1fr); }
@media (max-width: 980px){ .grid-3, .grid-4{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px){ .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; } }

.card{
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 34px 30px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(200,155,60,.35); }
.card-icon{
  width:52px; height:52px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(11,36,89,.06), rgba(200,155,60,.14));
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 20px;
  color: var(--navy);
}
.card-icon svg{ width:26px; height:26px; }
.card h3{ margin-bottom:.5em; }
.card p{ margin-bottom: 1em; font-size:.96rem; }
.card ul{ list-style:none; padding:0; margin: 0 0 1.1em; display:grid; gap:9px; }
.card ul li{ font-size:.92rem; color: var(--text-slate); display:flex; gap:9px; align-items:flex-start; }
.card ul li::before{
  content:""; width:6px; height:6px; margin-top:8px; flex-shrink:0; border-radius:50%;
  background: var(--gold);
}
.card-link{ font-weight:700; font-size:.92rem; color: var(--navy); display:inline-flex; align-items:center; gap:6px; }
.card-link svg{ width:16px; height:16px; transition: transform .3s var(--ease); }
.card-link:hover svg{ transform: translateX(4px); }

.card-flat{
  background:#fff; border:1px solid var(--gray-medium); border-radius: var(--radius-md);
  padding: 28px 26px;
}

/* ---------- Stats ---------- */
.stat{ text-align:center; }
.stat strong{
  font-family: var(--font-display); font-size: clamp(2.2rem,4vw,3.1rem);
  color: var(--gold); display:block; font-weight:700;
}
.stat span{ color: rgba(255,255,255,.7); font-size:.92rem; }

/* ---------- Timeline / metodología ---------- */
.timeline{ position:relative; display:grid; gap: 30px; counter-reset: step; }
.timeline-item{
  position:relative; display:grid; grid-template-columns: 64px 1fr; gap:22px; align-items:flex-start;
}
.timeline-num{
  width:56px; height:56px; border-radius:50%;
  background: linear-gradient(135deg, var(--navy), var(--navy-dark));
  color: var(--gold); font-family: var(--font-display); font-weight:700; font-size:1.2rem;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 8px 20px rgba(11,36,89,.22);
}
.timeline-item::after{
  content:""; position:absolute; left:27px; top:56px; bottom:-30px; width:2px;
  background: var(--gray-medium);
}
.timeline-item:last-child::after{ display:none; }

/* ---------- Before / after ---------- */
.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 26px; }
@media (max-width: 820px){ .split{ grid-template-columns: 1fr; } }
.split-panel{ border-radius: var(--radius-lg); padding: 36px 32px; }
.split-before{ background: var(--gray-light); border:1px solid var(--gray-medium); }
.split-after{ background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%); color:#fff; }
.split-after h3, .split-after p{ color:#fff; }
.split-list{ list-style:none; padding:0; margin: 22px 0 0; display:grid; gap:14px; }
.split-list li{ display:flex; gap:12px; align-items:flex-start; font-size:.97rem; }
.split-before .split-list li{ color: var(--text-main); }
.split-after .split-list li{ color: rgba(255,255,255,.9); }
.split-list li svg{ width:20px; height:20px; flex-shrink:0; margin-top:1px; }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom: 1px solid var(--gray-medium); }
.faq-q{
  width:100%; text-align:left; background:none; border:none; cursor:pointer;
  padding: 24px 4px; display:flex; justify-content:space-between; align-items:center; gap:20px;
  font-family: var(--font-display); font-weight:600; font-size:1.02rem; color: var(--navy);
}
.faq-q .plus{ width:22px; height:22px; flex-shrink:0; position:relative; }
.faq-q .plus::before, .faq-q .plus::after{
  content:""; position:absolute; background: var(--gold-dark); border-radius:2px; transition: transform .3s var(--ease);
}
.faq-q .plus::before{ left:0; top:50%; width:100%; height:2px; transform:translateY(-50%); }
.faq-q .plus::after{ top:0; left:50%; width:2px; height:100%; transform:translateX(-50%); }
.faq-item.is-open .plus::after{ transform: translateX(-50%) rotate(90deg); opacity:0; }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .4s var(--ease); }
.faq-a-inner{ padding: 0 4px 24px; color: var(--text-slate); }

/* ---------- Formulario ---------- */
.form-grid{ display:grid; gap:18px; grid-template-columns: 1fr 1fr; }
@media (max-width:680px){ .form-grid{ grid-template-columns: 1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-size:.86rem; font-weight:600; color: var(--navy); }
.field input, .field textarea, .field select{
  font-family: var(--font-body); font-size:.98rem;
  padding: 13px 16px; border-radius: 12px; border:1.5px solid var(--gray-medium);
  background:#fff; color: var(--text-main);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline:none; border-color: var(--gold); box-shadow: 0 0 0 4px rgba(200,155,60,.16);
}
.field textarea{ resize: vertical; min-height:120px; }
.checkbox-row{ display:flex; gap:12px; align-items:flex-start; font-size:.86rem; color: var(--text-slate); }
.checkbox-row input{ margin-top:3px; width:18px; height:18px; accent-color: var(--gold-dark); flex-shrink:0; }
.form-note{ font-size:.82rem; color: var(--text-slate); margin-top:14px; }
.form-success{
  display:none; background: rgba(200,155,60,.12); border:1px solid rgba(200,155,60,.35);
  color: var(--navy); padding: 16px 18px; border-radius: 12px; font-size:.92rem; margin-top:18px;
}
.form-success.is-visible{ display:block; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--navy-dark); color: rgba(255,255,255,.72); padding: 70px 0 30px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 46px; border-bottom:1px solid rgba(255,255,255,.1); }
@media (max-width: 900px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-brand .brand-word{ color:#fff; }
.footer-brand p{ color: rgba(255,255,255,.6); max-width: 32ch; margin-top:14px; }
.footer-col h4{ color:#fff; font-family: var(--font-display); font-size:.86rem; letter-spacing:.08em; text-transform:uppercase; margin-bottom:18px; }
.footer-col ul{ list-style:none; padding:0; display:grid; gap:12px; }
.footer-col a{ color: rgba(255,255,255,.68); font-size:.92rem; transition: color .25s var(--ease); }
.footer-col a:hover{ color: var(--gold); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px; padding-top:26px; font-size:.82rem; color: rgba(255,255,255,.5); }
.social-row{ display:flex; gap:12px; }
.social-row a{
  width:38px; height:38px; border-radius:50%; border:1px solid rgba(255,255,255,.18);
  display:flex; align-items:center; justify-content:center; transition: all .3s var(--ease);
}
.social-row a:hover{ background: var(--gold); border-color: var(--gold); }
.social-row svg{ width:16px; height:16px; }

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity:0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible{ opacity:1; transform:none; }
.reveal-delay-1{ transition-delay: .08s; }
.reveal-delay-2{ transition-delay: .16s; }
.reveal-delay-3{ transition-delay: .24s; }
.reveal-delay-4{ transition-delay: .32s; }

/* ---------- Utilidades ---------- */
.mt-0{ margin-top:0 !important; }
.text-center{ text-align:center; }
.max-w{ max-width: 720px; margin-left:auto; margin-right:auto; }
.tag-pill{
  display:inline-flex; align-items:center; gap:8px; font-size:.8rem; font-weight:600;
  background: rgba(200,155,60,.12); color: var(--gold-dark); padding: 7px 14px; border-radius:999px;
}
.divider{ height:1px; background: var(--gray-medium); border:none; margin: 0; }
.page-hero{
  padding: clamp(64px,10vw,110px) 0 clamp(50px,7vw,70px);
  background: linear-gradient(180deg, var(--gray-light) 0%, #fff 100%);
  border-bottom: 1px solid var(--gray-medium);
}
.breadcrumb{ font-size:.85rem; color: var(--text-slate); margin-bottom:18px; }
.breadcrumb a{ color: var(--navy); font-weight:600; }
.legal-content h2{ margin-top:2em; font-size:1.4rem; }
.legal-content h3{ margin-top:1.4em; font-size:1.1rem; }
.legal-content p, .legal-content li{ color: var(--text-slate); }
.legal-content{ max-width: 820px; }
.legal-notice{
  background: var(--gray-light); border:1px solid var(--gray-medium); border-radius: var(--radius-md);
  padding: 22px 24px; margin-bottom: 40px; font-size:.92rem; color: var(--text-slate);
}