:root{--ink:#16140f;--ink2:#2e2b24;--muted:#7a7670;--muted2:#b0aca4;--bg:#f7f5f0;--surface:#fff;--border:#e2dfd7;--accent:#1a3fcf;--accent2:#1231a8;--accent-soft:rgba(26,63,207,.07);--green:#0d6640;--amber:#92400e;--red:#b91c1c}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E")}

nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:18px 48px;background:rgba(247,245,240,.88);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav-logo{font-family:'Montserrat',sans-serif;font-size:24px;font-weight:700;color:var(--ink);letter-spacing:-.02em;text-decoration:none}
.nav-right{display:flex;align-items:center;gap:24px}
.nav-link{font-size:14px;color:var(--muted);text-decoration:none;transition:color .2s}
.nav-link:hover{color:var(--ink)}
.btn-nav{font-family:'DM Sans',sans-serif;font-size:13px;font-weight:500;background:var(--ink);color:#fff;border:none;border-radius:6px;padding:8px 18px;cursor:pointer;transition:background .2s,transform .15s;text-decoration:none;display:inline-block}
.btn-nav:hover{background:var(--ink2);transform:translateY(-1px)}

.hero-section{height:calc(100vh - 57px);display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden;background-image:url("../images/opositora_niders.png");background-size:contain;background-position:center;background-repeat:no-repeat}
.hero{position:relative;padding:0 48px;max-width:1100px;margin:0 auto;width:100%}
.hero-grid-bg{position:absolute;inset:0;z-index:0;opacity:.35;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 70% at 50% 0%,black,transparent 80%)}
.hero-glow{position:absolute;inset:0;z-index:0;pointer-events:none;background:radial-gradient(ellipse 50% 40% at 70% 20%,rgba(26,63,207,.06),transparent 65%),radial-gradient(ellipse 35% 30% at 15% 60%,rgba(13,102,64,.04),transparent 55%)}
.hero-inner{position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--border);border-radius:20px;padding:5px 14px 5px 8px;font-size:12px;color:var(--muted);margin-bottom:28px;animation:fadeUp .6s ease both}
.hero-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(13,102,64,.15);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(13,102,64,.15)}50%{box-shadow:0 0 0 6px rgba(13,102,64,.06)}}
h1{font-family:'Playfair Display',serif;font-size:clamp(38px,6vw,72px);font-weight:900;line-height:1.05;letter-spacing:-.03em;color:var(--ink);max-width:720px;margin-bottom:24px;animation:fadeUp .6s .1s ease both}
h1 em{font-style:italic;color:var(--accent)}
.hero-sub{font-size:clamp(15px,2vw,18px);color:var(--muted);line-height:1.65;max-width:520px;margin-bottom:36px;animation:fadeUp .6s .2s ease both}
.hero-form{display:flex;gap:10px;max-width:460px;animation:fadeUp .6s .3s ease both}
.hero-input{flex:1;font-family:'DM Sans',sans-serif;font-size:14px;background:#fff;border:1.5px solid var(--border);border-radius:8px;padding:12px 16px;color:var(--ink);outline:none;transition:border-color .2s}
.hero-input:focus{border-color:var(--accent)}
.hero-input::placeholder{color:var(--muted2)}
.btn-primary{font-family:'DM Sans',sans-serif;font-size:14px;font-weight:500;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:12px 22px;cursor:pointer;white-space:nowrap;transition:background .2s,transform .15s,box-shadow .2s;box-shadow:0 2px 12px rgba(26,63,207,.25)}
.btn-primary:hover{background:var(--accent2);transform:translateY(-1px);box-shadow:0 4px 20px rgba(26,63,207,.3)}
.hero-note{font-size:12px;color:var(--muted2);margin-top:10px;animation:fadeUp .6s .4s ease both}

section{position:relative}
.section-inner{max-width:1100px;margin:0 auto;padding:80px 48px}
.section-label{font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;color:var(--muted2);letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
h2{font-family:'Playfair Display',serif;font-size:clamp(28px,4vw,48px);font-weight:700;line-height:1.1;letter-spacing:-.025em;color:var(--ink);margin-bottom:16px}
h2 em{font-style:italic;color:var(--accent)}
.section-sub{font-size:16px;color:var(--muted);line-height:1.65;max-width:520px}

.problema{background:var(--accent)}
.problema .section-label{color:rgba(255,255,255,.3)}
.problema h2{color:#fff}
.problema .section-sub{color:rgba(255,255,255,.5)}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.07);border-radius:12px;overflow:hidden;margin-top:48px}
.pain-card{background:rgba(255,255,255,.03);padding:32px;transition:background .2s}
.pain-card:hover{background:rgba(255,255,255,.06)}
.pain-num{font-family:'JetBrains Mono',monospace;font-size:11px;color:rgba(255,255,255,.2);margin-bottom:16px;letter-spacing:.08em}
.pain-title{font-family:'Playfair Display',serif;font-size:18px;font-weight:700;color:#fff;line-height:1.3;margin-bottom:10px}
.pain-desc{font-size:14px;color:rgba(255,255,255,.45);line-height:1.65}

.modulos{background:var(--bg)}
.mod-list{display:flex;flex-direction:column;gap:12px;margin-top:56px}
.mod-item{display:grid;grid-template-columns:64px 1fr;gap:28px;align-items:start;background:#fff;border:1px solid var(--border);border-radius:12px;padding:28px 32px;transition:border-color .2s,box-shadow .2s}
.mod-item:hover{border-color:rgba(26,63,207,.2);box-shadow:0 4px 24px rgba(26,63,207,.06)}
.mod-icon{width:48px;height:48px;background:var(--accent-soft);border:1px solid rgba(26,63,207,.12);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.mod-tag{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--accent);letter-spacing:.1em;text-transform:uppercase;margin-bottom:6px}
h3{font-family:'Playfair Display',serif;font-size:20px;font-weight:700;color:var(--ink);margin-bottom:8px;letter-spacing:-.015em}
.mod-desc{font-size:14px;color:var(--muted);line-height:1.65;margin-bottom:14px}

.como{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:48px}
.step-n{font-family:'Playfair Display',serif;font-size:48px;font-weight:900;color:var(--border);line-height:1;margin-bottom:12px;letter-spacing:-.04em}
.step-title{font-size:16px;font-weight:500;color:var(--ink);margin-bottom:6px}
.step-desc{font-size:14px;color:var(--muted);line-height:1.65}

.social{background:var(--bg)}
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px}
.testimonial{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;transition:box-shadow .2s}
.testimonial:hover{box-shadow:0 4px 20px rgba(0,0,0,.06)}
.t-quote{font-family:'Playfair Display',serif;font-size:15px;font-style:italic;color:var(--ink2);line-height:1.7;margin-bottom:20px}
.t-author{display:flex;align-items:center;gap:10px}
.t-avatar{width:34px;height:34px;border-radius:50%;background:var(--accent-soft);border:1px solid rgba(26,63,207,.12);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:var(--accent);flex-shrink:0}
.t-name{font-size:13px;font-weight:500;color:var(--ink)}
.t-meta{font-size:11.5px;color:var(--muted)}

.faq{background:#fff;border-top:1px solid var(--border)}
.faq-list{max-width:680px;margin-top:48px}
.faq-item{border-bottom:1px solid var(--border);padding:20px 0;cursor:pointer}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-question{font-size:15px;font-weight:500;color:var(--ink);line-height:1.5}
.faq-icon{font-size:20px;color:var(--muted2);transition:transform .25s ease;flex-shrink:0;line-height:1;user-select:none}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-answer{font-size:14px;color:var(--muted);line-height:1.7;max-height:0;overflow:hidden;transition:max-height .35s ease,padding-top .35s ease;padding-top:0}
.faq-item.open .faq-answer{max-height:300px;padding-top:14px}

.cta-final{background:var(--ink);overflow:hidden;position:relative}
.cta-pattern{position:absolute;inset:0;opacity:.04;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:48px 48px}
.cta-glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 60% 80% at 50% 50%,rgba(26,63,207,.15),transparent 70%)}
.cta-inner{position:relative;z-index:1;max-width:680px;margin:0 auto;padding:100px 48px;text-align:center}
.cta-final h2{color:#fff;margin-bottom:16px}
.cta-final .section-sub{color:rgba(255,255,255,.5);margin:0 auto 40px}
.cta-form{display:flex;gap:10px;max-width:420px;margin:0 auto}
.cta-input{flex:1;font-family:'DM Sans',sans-serif;font-size:14px;background:rgba(255,255,255,.08);border:1.5px solid rgba(255,255,255,.15);border-radius:8px;padding:12px 16px;color:#fff;outline:none;transition:border-color .2s}
.cta-input::placeholder{color:rgba(255,255,255,.3)}
.cta-input:focus{border-color:rgba(26,63,207,.8)}
.cta-note{font-size:12px;color:rgba(255,255,255,.25);margin-top:12px}

footer{background:var(--ink);border-top:1px solid rgba(255,255,255,.06);padding:32px 48px}
.footer-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer-logo{font-family:'Montserrat',sans-serif;font-size:16px;font-weight:700;color:#fff}
.footer-links{display:flex;gap:24px}
.footer-link{font-size:13px;color:rgba(255,255,255,.3);text-decoration:none;transition:color .2s}
.footer-link:hover{color:rgba(255,255,255,.7)}
.footer-copy{font-size:12px;color:rgba(255,255,255,.2)}

@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.success-msg{display:none;align-items:center;gap:8px;font-size:14px;color:var(--green);padding:12px 0}
.success-msg.show{display:flex}

@media(max-width:768px){
  nav{padding:16px 20px}
  .nav--section{background-attachment:scroll}
  .heroright .nav-link{display:none}
  .hero{padding:60px 20px 48px}
  .hero-form{flex-direction:column}
  .section-inner{padding:56px 20px}
  .pain-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .testimonials{grid-template-columns:1fr}
  .mod-item{grid-template-columns:1fr}
  .cta-inner{padding:64px 20px}
  .cta-form{flex-direction:column}
  footer{padding:24px 20px}
  .footer-inner{flex-direction:column;align-items:flex-start}
}




/* Ajustes nav en móviles pequeños manteniendo todo en la misma línea */
@media (max-width:480px) {
  nav {
    padding: 12px 16px; /* menos espacio para que no se vea gigante */
  }

  .nav-logo {
    font-size: 20px; /* un poco más pequeño */
  }

  .nav-right {
    gap: 12px; /* reduce separación entre enlaces y botón */
  }

  .nav-link {
    font-size: 12px; /* un poco más pequeño para móviles */
  }

  .btn-nav {
    font-size: 12px;
    padding: 6px 12px; /* acorta el botón */
  }
}




/* Hero responsive: contenido centrado con fondo cover */
@media (max-width:480px) {
  .hero-section {
    display: flex;
    align-items: center;        /* centra verticalmente el contenido */
    justify-content: center;
    flex-direction: column;
    min-height: 60vh;           /* ocupa al menos 60% de la pantalla */
    padding: 0 16px;            /* solo padding lateral */
    background-size: cover;     /* imagen llena el área */
    background-position: center center; /* imagen centrada, no sube */
  }

  .hero-inner {
    padding: 20px 0;            /* espacio interno equilibrado */
    text-align: center;          /* centra el texto */
  }

  .hero-form {
    flex-direction: column;
    gap: 10px;
  }

  .hero-input {
    width: 100%;
  }

  h1 {
    font-size: 28px; /* tamaño más cómodo en móviles */
    line-height: 1.2;
  }

  .hero-sub {
    font-size: 14px;
    max-width: 90%;
    margin: 12px auto 24px auto;
  }
}



/* Hero móvil muy pequeño: ocultar imagen y subir texto */
@media (max-width:480px) {
  .hero-section {
    background-image: none !important; /* oculta la imagen en móvil */
    min-height: auto;                  /* altura según contenido */
    padding-top: 20px;                 /* poco espacio arriba */
    padding-bottom: 20px;              /* poco espacio abajo */
  }

  .hero-inner {
    margin-top: 0;                     /* sube el texto al inicio */
    text-align: center;
  }

  h1 {
    font-size: 28px;
    line-height: 1.2;
  }

  .hero-sub {
    font-size: 14px;
    max-width: 90%;
    margin: 12px auto 16px auto;
  }

  .hero-form {
    flex-direction: column;
    gap: 10px;
  }

  .hero-input {
    width: 100%;
  }
}