*{margin:0;padding:0;box-sizing:border-box;}
:root{
  --black:#000000;--gray:#757575;--yellow:#FFC107;--yellow-dark:#E6A800;
  --white:#ffffff;--offwhite:#F5F5F3;--darkbg:#0A0A0A;--card-bg:#111111;
  --text-light:#B0B0B0;
}
body{font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;background:var(--white);color:var(--black);overflow-x:hidden;}

/* NAV */
nav{background:var(--black);padding:0 2rem;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;}
.nav-logo{display:flex;align-items:center;gap:8px;text-decoration:none;}
.nav-logo .bar{width:3px;height:32px;background:var(--yellow);}
.nav-logo .logo-text{font-size:22px;font-weight:700;color:var(--white);letter-spacing:-0.5px;}
.nav-logo .logo-text span{color:var(--gray);}
.nav-links{display:flex;gap:0;align-items:center;}
.nav-link{color:var(--text-light);font-size:13px;font-weight:400;padding:8px 14px;border-radius:4px;transition:color 0.2s;text-decoration:none;display:inline-block;}
.nav-link:hover,.nav-link.active{color:var(--yellow);}
.nav-cta{background:var(--yellow);color:var(--black);font-size:13px;font-weight:700;padding:8px 18px;border-radius:4px;cursor:pointer;border:none;transition:background 0.2s;letter-spacing:0.2px;text-decoration:none;display:inline-block;}
.nav-cta:hover{background:var(--yellow-dark);}

/* FOOTER */
footer{background:var(--black);padding:2.5rem 2rem 1.5rem;margin-top:auto;}
.footer-inner{max-width:1000px;margin:0 auto;}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;gap:2rem;flex-wrap:wrap;margin-bottom:2rem;}
.footer-brand .logo-area{display:flex;align-items:center;gap:8px;margin-bottom:8px;}
.footer-brand .bar{width:3px;height:28px;background:var(--yellow);}
.footer-brand .logo-text{font-size:18px;font-weight:700;color:var(--white);}
.footer-brand .logo-text span{color:var(--gray);}
.footer-brand p{font-size:12px;color:var(--text-light);max-width:220px;line-height:1.5;}
.footer-links h4{color:var(--yellow);font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:10px;}
.footer-links a{display:block;color:var(--text-light);font-size:13px;text-decoration:none;margin-bottom:6px;transition:color 0.2s;}
.footer-links a:hover{color:var(--white);}
.footer-bottom{border-top:0.5px solid #222;padding-top:1rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;}
.footer-bottom p{font-size:11px;color:#555;}

/* HERO */
.hero-section{background:var(--black);flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:4rem 2rem;position:relative;overflow:hidden;}
.hero-section::before{content:'';position:absolute;top:-60px;right:-60px;width:300px;height:300px;background:var(--yellow);opacity:0.04;border-radius:50%;}
.hero-section::after{content:'';position:absolute;bottom:-40px;left:-40px;width:200px;height:200px;background:var(--yellow);opacity:0.04;border-radius:50%;}
.hero-badge{background:#1a1a1a;border:0.5px solid #333;color:var(--yellow);font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:6px 16px;border-radius:20px;margin-bottom:2rem;display:inline-block;}
.hero-h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:700;color:var(--white);line-height:1.15;max-width:700px;margin-bottom:1.25rem;}
.hero-h1 em{color:var(--yellow);font-style:normal;}
.hero-sub{font-size:clamp(1rem,2.5vw,1.15rem);color:var(--text-light);max-width:560px;line-height:1.7;margin-bottom:2.5rem;}
.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;}
.btn-primary{background:var(--yellow);color:var(--black);font-size:14px;font-weight:700;padding:14px 28px;border-radius:4px;cursor:pointer;border:none;transition:background 0.2s;letter-spacing:0.3px;text-decoration:none;display:inline-block;}
.btn-primary:hover{background:var(--yellow-dark);}
.btn-ghost{background:transparent;color:var(--white);font-size:14px;font-weight:400;padding:14px 28px;border-radius:4px;cursor:pointer;border:0.5px solid #444;transition:border-color 0.2s;text-decoration:none;display:inline-block;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;}
.btn-ghost:hover{border-color:#777;}
.hero-stats{display:flex;gap:2.5rem;justify-content:center;flex-wrap:wrap;margin-top:4rem;padding-top:3rem;border-top:0.5px solid #1e1e1e;}
.stat-item{text-align:center;}
.stat-number{font-size:2rem;font-weight:700;color:var(--yellow);}
.stat-label{font-size:12px;color:var(--text-light);margin-top:4px;max-width:100px;}

/* SECTIONS */
.section-light{background:var(--white);flex:1;padding:4rem 2rem;}
.section-dark{background:var(--offwhite);flex:1;padding:4rem 2rem;}
.section-inner{max-width:900px;margin:0 auto;}
.section-tag{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--yellow);margin-bottom:1rem;}
.section-h2{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:700;color:var(--black);line-height:1.2;margin-bottom:1rem;}
.section-lead{font-size:1.05rem;color:var(--gray);line-height:1.7;max-width:600px;margin-bottom:3rem;}

/* PROBLEMA */
.problem-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;}
.problem-card{background:var(--white);border:0.5px solid #e0e0e0;border-radius:8px;padding:1.5rem;position:relative;overflow:hidden;}
.problem-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--yellow);}
.problem-icon{width:40px;height:40px;background:#FFF8E1;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem;}
.problem-icon svg{width:20px;height:20px;}
.problem-card h3{font-size:15px;font-weight:700;color:var(--black);margin-bottom:8px;}
.problem-card p{font-size:13px;color:var(--gray);line-height:1.6;}
.problem-cta-area{margin-top:2.5rem;padding:1.5rem 2rem;background:var(--black);border-radius:8px;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;}
.problem-cta-area p{font-size:14px;color:var(--text-light);max-width:500px;line-height:1.5;}
.problem-cta-area p strong{color:var(--yellow);}

/* MÉTODO */
.metodo-steps{display:flex;flex-direction:column;gap:0;}
.step-row{display:flex;gap:2rem;align-items:flex-start;padding:2rem 0;border-bottom:0.5px solid #eee;}
.step-row:last-child{border-bottom:none;}
.step-num{flex-shrink:0;width:52px;height:52px;background:var(--black);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:var(--yellow);}
.step-content h3{font-size:17px;font-weight:700;color:var(--black);margin-bottom:6px;}
.step-content p{font-size:14px;color:var(--gray);line-height:1.65;}
.step-content .step-tag{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--yellow);margin-bottom:6px;}
.metodo-callout{background:var(--black);border-radius:8px;padding:2rem;margin-top:2.5rem;text-align:center;}
.metodo-callout p{font-size:13px;color:var(--text-light);margin-bottom:1rem;line-height:1.6;}
.metodo-callout strong{color:var(--white);}

/* RESULTADOS */
.results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:2.5rem;}
.result-card{background:var(--black);border-radius:8px;padding:1.75rem;position:relative;overflow:hidden;}
.result-card::after{content:'';position:absolute;bottom:-20px;right:-20px;width:80px;height:80px;background:var(--yellow);opacity:0.08;border-radius:50%;}
.result-big{font-size:2.5rem;font-weight:700;color:var(--yellow);line-height:1;margin-bottom:8px;}
.result-card h3{font-size:14px;font-weight:700;color:var(--white);margin-bottom:6px;}
.result-card p{font-size:12px;color:var(--text-light);line-height:1.5;}
.testimonial-area{background:var(--offwhite);border-radius:8px;padding:2rem;border-left:4px solid var(--yellow);}
.testimonial-area p{font-size:15px;color:var(--black);line-height:1.7;font-style:italic;margin-bottom:1rem;}
.testimonial-author{font-size:12px;color:var(--gray);font-weight:700;font-style:normal;}

/* CONTACTO */
.cta-hero{background:var(--black);flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:4rem 2rem;}
.cta-card{background:#111;border:0.5px solid #2a2a2a;border-radius:12px;padding:2.5rem;max-width:540px;width:100%;}
.cta-card h2{font-size:1.6rem;font-weight:700;color:var(--white);margin-bottom:1rem;line-height:1.25;}
.cta-card h2 em{color:var(--yellow);font-style:normal;}
.cta-card p{font-size:13px;color:var(--text-light);line-height:1.65;margin-bottom:1.5rem;}
.cta-features{list-style:none;margin-bottom:2rem;text-align:left;}
.cta-features li{font-size:13px;color:var(--text-light);padding:6px 0;display:flex;align-items:center;gap:10px;border-bottom:0.5px solid #1e1e1e;}
.cta-features li:last-child{border-bottom:none;}
.check{width:16px;height:16px;background:var(--yellow);border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
.check::after{content:'';width:5px;height:8px;border:2px solid var(--black);border-top:none;border-left:none;transform:rotate(45deg) translateY(-1px);}
.form-row{display:flex;flex-direction:column;gap:10px;margin-bottom:1.25rem;}
.form-row input,.form-row select{background:#1a1a1a;border:0.5px solid #333;border-radius:4px;padding:11px 14px;font-size:13px;color:var(--white);font-family:inherit;outline:none;width:100%;}
.form-row input:focus,.form-row select:focus{border-color:var(--yellow);}
.form-row input::placeholder{color:#555;}
.form-row select option{background:#1a1a1a;}
.form-submit{background:var(--yellow);color:var(--black);font-size:14px;font-weight:700;padding:14px;border-radius:4px;cursor:pointer;border:none;width:100%;letter-spacing:0.3px;transition:background 0.2s;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;}
.form-submit:hover{background:var(--yellow-dark);}
.form-note{font-size:11px;color:#444;text-align:center;margin-top:10px;}
.success-state{display:none;text-align:center;padding:1rem;}
.success-state h3{color:var(--yellow);font-size:1.2rem;margin-bottom:8px;}
.success-state p{color:var(--text-light);font-size:13px;line-height:1.6;}

/* PRODUCT CHIPS */
.hero-chips{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:2rem;padding-top:2rem;border-top:0.5px solid #1e1e1e;}
.chip-label{font-size:11px;color:#444;letter-spacing:1px;text-transform:uppercase;margin-right:4px;}
.product-chip{background:transparent;border:0.5px solid #333;color:var(--text-light);font-size:12px;font-weight:600;padding:6px 14px;border-radius:20px;text-decoration:none;display:inline-block;transition:all 0.2s;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;letter-spacing:0.3px;}
.product-chip:hover{background:var(--yellow);border-color:var(--yellow);color:var(--black);}

/* GHOST DARK (for light backgrounds) */
.btn-ghost-dark{background:transparent;color:var(--gray);font-size:14px;font-weight:400;padding:14px 28px;border-radius:4px;border:0.5px solid #ccc;transition:border-color 0.2s;text-decoration:none;display:inline-block;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;}
.btn-ghost-dark:hover{border-color:#999;color:var(--black);}

/* ── SOLUCIONES ── */
.sol-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:2.5rem;}
.sol-nav-link{background:transparent;border:0.5px solid #d0d0d0;border-radius:4px;padding:8px 18px;font-size:12px;font-weight:700;letter-spacing:0.5px;color:var(--gray);text-decoration:none;display:inline-block;transition:all 0.2s;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;}
.sol-nav-link:hover{border-color:var(--yellow-dark);color:var(--black);}
.sol-nav-link.active{background:var(--black);border-color:var(--black);color:var(--yellow);}
.sol-card{background:var(--white);border:0.5px solid #e0e0e0;border-radius:8px;padding:2rem;position:relative;overflow:hidden;}
.sol-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--yellow);}
.sol-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1rem;flex-wrap:wrap;}
.sol-badge{display:inline-block;background:#FFF8E1;color:var(--yellow-dark);font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:4px 10px;border-radius:3px;margin-bottom:8px;}
.sol-card h3{font-size:1.3rem;font-weight:700;color:var(--black);line-height:1.2;}
.sol-card-tagline{font-size:13px;color:var(--gray);font-style:italic;margin-bottom:1.25rem;line-height:1.5;}
.sol-card p{font-size:14px;color:var(--gray);line-height:1.7;margin-bottom:1.5rem;}
.sol-features{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:1.5rem;}
.sol-feature{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--black);}
.sol-feature-dot{width:6px;height:6px;border-radius:50%;background:var(--yellow);flex-shrink:0;margin-top:6px;}
.sol-cta-row{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;}
.sol-ecosystem{display:inline-block;font-size:11px;color:var(--gray);padding:6px 14px;border:0.5px solid #e0e0e0;border-radius:4px;}
.sol-connector{margin-top:2.5rem;padding:1.5rem 2rem;background:var(--black);border-radius:8px;}
.sol-connector p{font-size:13px;color:var(--text-light);line-height:1.65;}
.sol-connector p strong{color:var(--yellow);}

/* ── SOL PREVIEW IMAGE ── */
.sol-preview{margin-top:2rem;border-radius:8px;overflow:hidden;border:0.5px solid #2a2a2a;background:#0a0a0a;}
.sol-preview img{width:100%;height:auto;display:block;}

/* PAGE LAYOUT */
.page{min-height:100vh;display:flex;flex-direction:column;}

/* ── RESPONSIVE MOBILE ── */
@media(max-width:640px){
  nav{padding:0 1.25rem;height:56px;justify-content:space-between;}
  .nav-links{display:none;}
  .nav-logo .logo-text{font-size:19px;}
  .hamburger{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:8px;margin-left:auto;margin-right:8px;}
  .hamburger span{display:block;width:22px;height:2px;background:var(--white);border-radius:2px;transition:all 0.3s;}
  .hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .hamburger.open span:nth-child(2){opacity:0;}
  .hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .mobile-menu{display:none;position:fixed;top:56px;left:0;right:0;background:var(--black);border-top:0.5px solid #222;z-index:99;flex-direction:column;padding:1rem 1.5rem 1.5rem;}
  .mobile-menu.open{display:flex;}
  .mobile-menu a{color:var(--text-light);font-size:15px;padding:12px 0;border-bottom:0.5px solid #1a1a1a;text-decoration:none;display:block;}
  .mobile-menu a:last-child{border-bottom:none;}
  .mobile-menu .m-cta{margin-top:1rem;background:var(--yellow);color:var(--black);font-size:14px;font-weight:700;padding:13px;border-radius:4px;text-align:center;text-decoration:none;display:block;width:100%;}
  .hero-section{padding:3rem 1.25rem 2.5rem;min-height:auto;}
  .hero-badge{font-size:10px;letter-spacing:1px;padding:5px 12px;margin-bottom:1.5rem;}
  .hero-h1{font-size:1.85rem;line-height:1.2;margin-bottom:1rem;}
  .hero-sub{font-size:0.95rem;margin-bottom:2rem;}
  .hero-ctas{flex-direction:column;align-items:stretch;gap:0.75rem;}
  .hero-ctas .btn-primary,.hero-ctas .btn-ghost{width:100%;text-align:center;padding:14px 20px;}
  .hero-stats{gap:1.5rem;margin-top:2.5rem;padding-top:2rem;justify-content:space-around;}
  .stat-number{font-size:1.6rem;}
  .stat-label{font-size:11px;max-width:80px;}
  .section-light,.section-dark{padding:2.5rem 1.25rem;}
  .section-h2{font-size:1.5rem;}
  .section-lead{font-size:0.95rem;margin-bottom:2rem;}
  .problem-grid{grid-template-columns:1fr;}
  .problem-cta-area{flex-direction:column;align-items:flex-start;padding:1.25rem;}
  .problem-cta-area .btn-primary{width:100%;text-align:center;}
  .step-row{flex-direction:column;gap:1rem;padding:1.5rem 0;}
  .step-num{width:44px;height:44px;font-size:18px;}
  .step-content h3{font-size:15px;}
  .metodo-callout{padding:1.5rem;}
  .metodo-callout .btn-primary{width:100%;text-align:center;}
  .results-grid{grid-template-columns:1fr;}
  .result-big{font-size:2rem;}
  .testimonial-area{padding:1.25rem;}
  .testimonial-area p{font-size:13px;}
  .cta-hero{padding:2.5rem 1.25rem;}
  .cta-card{padding:1.5rem;}
  .cta-card h2{font-size:1.3rem;}
  footer{padding:2rem 1.25rem 1.25rem;}
  .footer-top{flex-direction:column;gap:1.5rem;}
  .footer-brand p{max-width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:4px;}
  /* Soluciones mobile */
  .sol-nav{gap:6px;}
  .sol-nav-link{font-size:11px;padding:7px 12px;}
  .sol-features{grid-template-columns:1fr;}
  .sol-card{padding:1.25rem;}
  .sol-card h3{font-size:1.1rem;}
  .sol-cta-row{flex-direction:column;align-items:flex-start;}
  .sol-cta-row .btn-primary,.sol-cta-row .btn-ghost-dark{width:100%;text-align:center;}
  .sol-connector{padding:1.25rem;}
  /* Chips mobile */
  .hero-chips{gap:6px;margin-top:1.5rem;padding-top:1.5rem;}
  .chip-label{width:100%;text-align:center;margin-bottom:2px;}
  .product-chip{font-size:11px;padding:5px 12px;}
}
@media(min-width:641px) and (max-width:860px){
  .nav-link{padding:8px 9px;font-size:12px;}
  .hero-h1{font-size:2.2rem;}
  .hero-ctas{justify-content:center;}
  .problem-grid{grid-template-columns:1fr 1fr;}
  .results-grid{grid-template-columns:1fr 1fr;}
  .section-light,.section-dark{padding:3rem 1.5rem;}
  footer{padding:2rem 1.5rem 1.25rem;}
  .sol-features{grid-template-columns:1fr 1fr;}
}
@media(min-width:641px){
  .hamburger{display:none;}
  .mobile-menu{display:none!important;}
}