/* Clean For — Design System Premium */
:root{
  --azul:#1e64d1;
  --azul-dark:#1548a0;
  --azul-light:#e8f0fb;
  --ink:#0a1628;
  --ink-2:#1f2b3e;
  --muted:#556274;
  --line:#e7ebf1;
  --bg:#fbfcfe;
  --white:#ffffff;
  --wa:#25d366;
  --wa-dark:#128c7e;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(10,22,40,.05),0 2px 8px rgba(10,22,40,.04);
  --shadow-md:0 8px 30px rgba(10,22,40,.08);
  --shadow-lg:0 30px 80px -20px rgba(10,22,40,.18);
  --container:1200px;
  --serif:"Instrument Serif",Georgia,serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.15;letter-spacing:-.02em;color:var(--ink)}
h1{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800}
h2{font-size:clamp(1.8rem,3.6vw,2.6rem);font-weight:700}
h3{font-size:1.35rem;font-weight:700}
p{margin:0 0 1em;color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--azul);padding:.4rem .8rem;background:var(--azul-light);
  border-radius:999px;margin-bottom:1rem;
}
.eyebrow::before{content:"";width:6px;height:6px;background:var(--azul);border-radius:50%}
.container{max-width:var(--container);margin:0 auto;padding:0 1.5rem}
.section{padding:5rem 0}
.section-tight{padding:3.5rem 0}
.grid{display:grid;gap:2rem}
.serif{font-family:var(--serif);font-weight:400;font-style:italic;color:var(--azul)}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0}
.logo{display:flex;align-items:center;gap:.6rem}
.logo img{height:38px;width:auto}
.nav-links{display:flex;gap:2rem;align-items:center;list-style:none;margin:0;padding:0}
.nav-links a{font-weight:500;font-size:.95rem;color:var(--ink-2);position:relative;padding:.25rem 0}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--azul);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-links a:hover{color:var(--azul)}
.nav-links a:hover::after{transform:scaleX(1)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.85rem 1.4rem;border-radius:999px;font-weight:600;font-size:.95rem;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--azul);color:var(--white);box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--azul-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-wa{background:var(--wa);color:var(--white)}
.btn-wa:hover{background:var(--wa-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--azul);color:var(--azul)}
.menu-toggle{display:none;padding:.5rem;font-size:1.6rem;line-height:1}

/* Hero */
.hero{position:relative;padding:5rem 0 6rem;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:4rem;align-items:center}
.hero h1 span{background:linear-gradient(120deg,var(--azul),#4a8cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.15rem;color:var(--muted);margin:1.2rem 0 1.8rem;max-width:52ch}
.hero-cta{display:flex;gap:.9rem;flex-wrap:wrap;margin-bottom:2.2rem}
.hero-badges{display:flex;gap:1.5rem;flex-wrap:wrap;padding-top:1.5rem;border-top:1px solid var(--line)}
.hero-badge{display:flex;align-items:center;gap:.6rem;font-size:.9rem;color:var(--muted)}
.hero-badge strong{display:block;color:var(--ink);font-size:1.15rem;font-weight:700}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  aspect-ratio:3/4;object-fit:cover;
}
.hero-visual::after{
  content:"";position:absolute;inset:-30px -20px auto auto;width:180px;height:180px;
  background:radial-gradient(circle,var(--azul-light) 0%,transparent 70%);z-index:-1;
}
.floating-card{
  position:absolute;bottom:-1.5rem;left:-1.5rem;background:var(--white);
  padding:1rem 1.3rem;border-radius:var(--radius);box-shadow:var(--shadow-md);
  display:flex;align-items:center;gap:.8rem;max-width:260px;
}
.stars{color:#f5a623;font-size:1rem;letter-spacing:1px}

/* Services */
.section-head{text-align:center;max-width:640px;margin:0 auto 3.5rem}
.section-head p{color:var(--muted);font-size:1.05rem}
.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.6rem}
.service-card{
  background:var(--white);border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.service-card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.service-card-body{padding:1.6rem;flex:1;display:flex;flex-direction:column}
.service-card h3{margin-bottom:.5rem}
.service-card p{color:var(--muted);font-size:.95rem;flex:1}
.service-link{
  display:inline-flex;align-items:center;gap:.4rem;color:var(--azul);
  font-weight:600;margin-top:.8rem;font-size:.9rem;
}
.service-link::after{content:"→";transition:transform .2s ease}
.service-link:hover::after{transform:translateX(4px)}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem;counter-reset:step}
.step{position:relative;padding-top:2rem}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:var(--serif);font-style:italic;font-size:3rem;color:var(--azul);
  position:absolute;top:-.5rem;left:0;line-height:1;
}
.step h3{margin-top:.5rem;font-size:1.1rem}
.step p{color:var(--muted);font-size:.95rem;margin:0}

/* Benefits */
.benefits{background:var(--ink);color:#e6ecf5;padding:5rem 0}
.benefits h2{color:var(--white)}
.benefits p{color:#a3b0c4}
.benefits .eyebrow{background:rgba(30,100,209,.15);color:#8bb4ff}
.benefit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-top:3rem}
.benefit{padding:1.6rem;background:rgba(255,255,255,.04);border-radius:var(--radius);border:1px solid rgba(255,255,255,.08)}
.benefit-icon{width:44px;height:44px;background:var(--azul);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:700;margin-bottom:1rem;font-size:1.2rem}
.benefit h3{color:var(--white);font-size:1.05rem}
.benefit p{margin:0;font-size:.92rem}

/* Before/After */
.ba-wrap{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.ba-wrap img{border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}

/* Testimonials */
.testimonials{background:var(--white)}
.testi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}
.testi{padding:1.8rem;border-radius:var(--radius-lg);background:var(--bg);border:1px solid var(--line)}
.testi .stars{margin-bottom:.8rem}
.testi p{font-size:1rem;color:var(--ink-2);font-style:italic;margin-bottom:1rem}
.testi footer{display:flex;align-items:center;gap:.8rem}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--azul),#4a8cff);color:var(--white);display:flex;align-items:center;justify-content:center;font-weight:700}
.testi cite{font-style:normal;font-weight:600;display:block;font-size:.95rem}
.testi small{color:var(--muted);font-size:.82rem}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;text-align:left;padding:1.3rem 0;display:flex;justify-content:space-between;
  align-items:center;gap:1rem;font-weight:600;font-size:1.05rem;color:var(--ink);
}
.faq-q::after{content:"+";font-size:1.6rem;color:var(--azul);transition:transform .2s ease;font-weight:300}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted)}
.faq-item.open .faq-a{max-height:500px}
.faq-a-inner{padding:0 0 1.3rem}

/* Form */
.form-section{background:linear-gradient(135deg,var(--azul-light) 0%,#fff 100%)}
.form-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:3.5rem;align-items:center}
.form-card{background:var(--white);padding:2.5rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-group{display:flex;flex-direction:column;gap:.35rem}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:.85rem;font-weight:600;color:var(--ink-2)}
.form-group input,.form-group select,.form-group textarea{
  padding:.85rem 1rem;border:1px solid var(--line);border-radius:10px;background:var(--white);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--azul);box-shadow:0 0 0 3px rgba(30,100,209,.12);
}
.form-group textarea{min-height:100px;resize:vertical}
.form-card button[type=submit]{width:100%;padding:1.05rem;margin-top:.5rem;font-size:1rem}

/* CTA banner */
.cta-banner{background:var(--azul);color:var(--white);padding:4rem 0;text-align:center}
.cta-banner h2{color:var(--white)}
.cta-banner p{color:#cddefa;max-width:520px;margin:0 auto 1.8rem;font-size:1.05rem}
.cta-banner .btn-primary{background:var(--white);color:var(--azul)}
.cta-banner .btn-primary:hover{background:#f0f6ff}
.cta-banner .btn-wa{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3)}

/* Areas */
.areas{background:var(--white)}
.area-grid{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center;max-width:900px;margin:2rem auto 0}
.area-tag{padding:.55rem 1.1rem;background:var(--bg);border:1px solid var(--line);border-radius:999px;font-size:.9rem;color:var(--ink-2);transition:all .2s ease}
.area-tag:hover{background:var(--azul-light);color:var(--azul);border-color:var(--azul)}

/* Map */
.map-wrap{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);margin-top:2rem}
.map-wrap iframe{width:100%;height:400px;border:0;display:block}

/* Footer */
.site-footer{background:var(--ink);color:#a3b0c4;padding:4rem 0 2rem;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:3rem}
.site-footer h4{color:var(--white);font-size:1rem;margin-bottom:1rem;font-weight:600}
.site-footer a{color:#a3b0c4;font-size:.92rem;display:block;padding:.25rem 0}
.site-footer a:hover{color:var(--white)}
.site-footer .logo img{filter:brightness(0) invert(1)}
.footer-brand p{font-size:.9rem;margin-top:1rem;color:#8895a8;max-width:32ch}
.social{display:flex;gap:.6rem;margin-top:1rem}
.social a{width:36px;height:36px;background:rgba(255,255,255,.08);border-radius:50%;display:flex;align-items:center;justify-content:center;padding:0}
.social a:hover{background:var(--azul)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:1.5rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.82rem}

/* WhatsApp float */
.wa-float{
  position:fixed;bottom:1.5rem;right:1.5rem;width:60px;height:60px;background:var(--wa);
  border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:100;
  box-shadow:0 8px 30px rgba(37,211,102,.4);transition:transform .2s ease;
}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;fill:#fff}
.wa-float::before{
  content:"";position:absolute;inset:0;border-radius:50%;background:var(--wa);
  animation:pulse 2s infinite;z-index:-1;
}
@keyframes pulse{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.6);opacity:0}}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:none}

/* Page hero (service pages) */
.page-hero{background:linear-gradient(180deg,var(--azul-light) 0%,transparent 100%);padding:4rem 0 3rem}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:1rem}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--azul)}
.page-hero h1{max-width:20ch}
.page-hero p{font-size:1.1rem;color:var(--muted);max-width:60ch;margin-top:1rem}

/* Article */
.article{max-width:760px;margin:0 auto;padding:3rem 1.5rem}
.article h1{font-size:clamp(2rem,4vw,3rem)}
.article .meta{color:var(--muted);font-size:.9rem;margin-bottom:1.5rem}
.article img.cover{width:100%;border-radius:var(--radius-lg);margin:1.5rem 0 2.5rem;aspect-ratio:16/9;object-fit:cover}
.article h2{margin-top:2.5rem;font-size:1.7rem}
.article h3{margin-top:2rem;font-size:1.25rem}
.article p,.article li{font-size:1.05rem;color:var(--ink-2);line-height:1.75}
.article ul,.article ol{padding-left:1.3rem}
.article li{margin-bottom:.5rem}
.toc{background:var(--azul-light);padding:1.5rem 1.8rem;border-radius:var(--radius);margin:2rem 0}
.toc h3{margin-top:0;font-size:1rem;text-transform:uppercase;letter-spacing:.08em;color:var(--azul)}
.toc ol{margin:0;padding-left:1.3rem}
.toc a{color:var(--ink-2)}
.toc a:hover{color:var(--azul)}

.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}
.blog-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);transition:transform .3s ease,box-shadow .3s ease}
.blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.blog-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.blog-card-body{padding:1.5rem}
.blog-card .tag{font-size:.75rem;color:var(--azul);text-transform:uppercase;font-weight:600;letter-spacing:.1em}
.blog-card h3{margin:.5rem 0;font-size:1.15rem}
.blog-card p{color:var(--muted);font-size:.92rem;margin:0}

/* Mobile */
@media (max-width:900px){
  .hero-grid,.ba-wrap,.form-wrap{grid-template-columns:1fr;gap:2.5rem}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{
    position:fixed;inset:64px 0 auto 0;background:var(--white);
    flex-direction:column;padding:1.5rem;gap:.5rem;border-bottom:1px solid var(--line);
    transform:translateY(-120%);transition:transform .3s ease;
  }
  .nav-links.open{transform:none}
  .nav-links a{display:block;padding:.8rem 0;width:100%}
  .menu-toggle{display:block}
  .section{padding:3.5rem 0}
  .form-grid{grid-template-columns:1fr}
  .hero{padding:2.5rem 0 4rem}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .container{padding:0 1.15rem}
  .form-card{padding:1.5rem}
  .wa-float{width:54px;height:54px;bottom:1rem;right:1rem}
}