:root {
  --primary: #dc2626;
  --primary-dark: #b91c1c;
  --primary-light: #fee2e2;
  --text: #111827;
  --text-2: #4b5563;
  --text-3: #6b7280;
  --bg: #fff;
  --bg-2: #f9fafb;
  --bg-3: #f3f4f6;
  --border: #e5e7eb;
  --shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);
  --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);
  --radius: .75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}
::selection{background:var(--primary);color:#fff}

/* HEADER */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:all .25s ease}
.header.scrolled{border-bottom-color:var(--border);box-shadow:0 1px 2px 0 rgb(0 0 0 / .05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.logo-mark{width:38px;height:38px;background:var(--primary);color:#fff;border-radius:.6rem;display:flex;align-items:center;justify-content:center;font-size:1.35rem;font-weight:700}
.nav{display:flex;align-items:center;gap:1.5rem}
.nav a{font-size:.9rem;font-weight:500;color:var(--text-2);position:relative;padding:.4rem 0;transition:color .15s}
.nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary);transition:width .25s}
.nav a:hover{color:var(--primary)}
.nav a:hover::after{width:100%}
.nav a.active{color:var(--primary)}
.nav a.active::after{width:100%}
.header-right{display:flex;align-items:center;gap:1rem}
.lang{display:flex;gap:.2rem;background:var(--bg-3);padding:.25rem;border-radius:.4rem}
.lang button{padding:.35rem .6rem;border:none;background:transparent;color:var(--text-2);font-size:.78rem;font-weight:600;border-radius:.25rem;transition:all .15s}
.lang button.active{background:#fff;color:var(--primary);box-shadow:0 1px 2px 0 rgb(0 0 0 / .05)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:.5rem}
.burger span{display:block;width:24px;height:2px;background:var(--text);transition:all .25s}
.burger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-nav{display:none;position:fixed;top:72px;left:0;right:0;bottom:0;background:rgba(255,255,255,.98);backdrop-filter:blur(12px);padding:2rem;transform:translateX(100%);transition:transform .25s;z-index:999}
.mobile-nav.open{transform:translateX(0);display:flex;flex-direction:column;gap:1.25rem}
.mobile-nav a{font-size:1.2rem;font-weight:600;color:var(--text-2)}

/* HERO */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;padding-top:72px}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 70% 20%,rgba(220,38,38,.08),transparent 50%),radial-gradient(ellipse at 20% 80%,rgba(220,38,38,.05),transparent 50%),linear-gradient(180deg,#fff 0%,#fafafa 100%)}
.hero-content{position:relative;z-index:1;text-align:center;max-width:780px}
.hero h1{font-size:clamp(2.2rem,5.5vw,4rem);font-weight:800;line-height:1.1;letter-spacing:-.03em;margin-bottom:1.25rem}
.hero p{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-2);line-height:1.7;margin-bottom:2rem;max-width:580px;margin-inline:auto}
.btn{display:inline-flex;align-items:center;padding:.9rem 2.2rem;background:var(--primary);color:#fff;border-radius:var(--radius);font-size:1.05rem;font-weight:600;border:none;transition:all .25s;box-shadow:0 4px 14px rgba(220,38,38,.3)}
.btn:hover{background:var(--primary-dark);transform:translateY(-3px);box-shadow:0 8px 25px rgba(220,38,38,.4)}

/* SECTIONS */
.section{padding:5rem 0}
.section.bg-2{background:var(--bg-2)}
.section-header{text-align:center;margin-bottom:3rem}
.section-header h2{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;letter-spacing:-.02em;margin-bottom:.75rem}
.section-header p{font-size:1.05rem;color:var(--text-2)}

/* SERVICE CARDS */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;transition:all .25s;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-dark));transform:scaleX(0);transform-origin:left;transition:transform .25s}
.card:hover{border-color:transparent;box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.card:hover::before{transform:scaleX(1)}
.card-icon{width:54px;height:54px;background:var(--primary-light);color:var(--primary);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem;transition:all .25s}
.card:hover .card-icon{background:var(--primary);color:#fff;transform:scale(1.05)}
.card h3{font-size:1.4rem;font-weight:700;margin-bottom:.6rem}
.card p{color:var(--text-2);font-size:.93rem;line-height:1.6;margin-bottom:1.25rem;flex-grow:1}
.card-link{display:inline-flex;align-items:center;gap:.4rem;color:var(--primary);font-weight:600;font-size:.88rem;transition:gap .15s}
.card:hover .card-link{gap:.65rem}

/* ABOUT PREVIEW */
.about-preview{max-width:720px}
.about-preview p{font-size:1.08rem;color:var(--text-2);line-height:1.8;margin-bottom:1.25rem}
.about-link{display:inline-flex;align-items:center;gap:.4rem;color:var(--primary);font-weight:600;transition:gap .15s}
.about-link:hover{gap:.65rem}

/* VALUES */
.values{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem;margin:3rem 0}
.value{text-align:center}
.value-icon{width:54px;height:54px;background:var(--primary-light);color:var(--primary);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem}
.value h3{font-size:1.2rem;font-weight:700;margin-bottom:.6rem}
.value p{font-size:.93rem;color:var(--text-2);line-height:1.6}

/* SERVICE PAGE */
.page-hero{padding:8rem 0 3rem;text-align:center;background:radial-gradient(ellipse at 50% 0%,rgba(220,38,38,.06),transparent 60%)}
.page-hero .back{display:inline-flex;align-items:center;gap:.4rem;color:var(--text-2);font-size:.88rem;font-weight:500;margin-bottom:1.5rem;transition:color .15s}
.page-hero .back:hover{color:var(--primary)}
.page-hero-icon{width:68px;height:68px;background:var(--primary-light);color:var(--primary);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem}
.page-hero h1{font-size:clamp(1.8rem,5vw,3.2rem);font-weight:800;letter-spacing:-.03em;margin-bottom:1.25rem}
.page-hero p{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-2);max-width:620px;margin:0 auto;line-height:1.7}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}
.feature{display:flex;gap:1rem;padding:1.5rem;background:var(--bg-2);border-radius:var(--radius-lg);border:1px solid var(--border);transition:all .25s}
.feature:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.feature-check{flex-shrink:0;width:30px;height:30px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center}
.feature h3{font-size:1.05rem;font-weight:700;margin-bottom:.4rem}
.feature p{font-size:.92rem;color:var(--text-2);line-height:1.6}

/* CTA + FORM */
.cta-section{padding:3rem 0 5rem;background:var(--bg-2)}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.cta-info h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;letter-spacing:-.02em;margin-bottom:.75rem}
.cta-info p{font-size:1.05rem;color:var(--text-2);line-height:1.7}

/* FORM */
.form{display:flex;flex-direction:column;gap:1rem;background:#fff;padding:2rem;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);border:1px solid var(--border)}
.form-group{display:flex;flex-direction:column;gap:.4rem}
.form-group label{font-size:.82rem;font-weight:600;color:var(--text-2)}
.form-group input,.form-group select,.form-group textarea{padding:.8rem .9rem;border:1px solid var(--border);border-radius:.5rem;font-size:.95rem;font-family:inherit;color:var(--text);background:var(--bg-2);transition:all .15s;width:100%}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px var(--primary-light)}
.form-group textarea{resize:vertical}
.form button{padding:.9rem 1.8rem;background:var(--primary);color:#fff;border:none;border-radius:.5rem;font-size:1rem;font-weight:600;transition:all .25s}
.form button:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.form-success{background:#d1fae5;color:#065f46;padding:.9rem 1.2rem;border-radius:.5rem;font-weight:500;border:1px solid #6ee7b7;margin-bottom:.5rem}

/* WHATSAPP CARD */
.wa-card{background:rgba(37,211,102,.05);border:1px solid rgba(37,211,102,.2);border-radius:var(--radius-lg);padding:1.5rem;margin-top:1.5rem}
.wa-link{display:inline-flex;align-items:center;gap:.6rem;color:#25d366;font-weight:600;font-size:1.05rem;transition:gap .15s}
.wa-link:hover{gap:.85rem}

/* WHATSAPP FAB */
.wa-fab{position:fixed;bottom:1.5rem;right:1.5rem;z-index:999;width:56px;height:56px;border:none;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(37,211,102,.4);transition:all .25s;animation:wa-pulse 2s ease-in-out infinite}
.wa-fab:hover{transform:scale(1.1);box-shadow:0 6px 20px rgba(37,211,102,.5)}
@keyframes wa-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}

/* FOOTER */
.footer{background:var(--text);color:#fff;padding:4rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:3rem;padding-bottom:2.5rem;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-logo{display:flex;align-items:center;gap:.6rem;font-size:1.15rem;font-weight:800;margin-bottom:1rem}
.footer-logo .logo-mark{width:38px;height:38px}
.footer-desc{color:rgba(255,255,255,.7);max-width:320px;line-height:1.7;font-size:.93rem}
.footer-title{font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem;color:rgba(255,255,255,.9)}
.footer-links ul{list-style:none;display:flex;flex-direction:column;gap:.6rem}
.footer-links a{color:rgba(255,255,255,.7);font-size:.92rem;transition:color .15s}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{padding-top:1.5rem;text-align:center}
.footer-copy{color:rgba(255,255,255,.6);font-size:.85rem;margin-bottom:.6rem}
.footer-disclaimer{color:rgba(255,255,255,.5);font-size:.78rem;max-width:780px;margin:0 auto;line-height:1.6}

/* ANIMATIONS */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.fade-in-up{animation:fadeInUp .7s ease forwards}

/* RESPONSIVE */
@media(max-width:1024px){
  .nav{display:none}
  .burger{display:flex}
}
@media(max-width:768px){
  .cta-grid{grid-template-columns:1fr;gap:2rem}
  .footer-grid{grid-template-columns:1fr;gap:2rem}
  .footer-desc{max-width:100%}
  .form{padding:1.5rem}
}
@media(max-width:640px){
  .header-inner{height:64px}
  .logo span:last-child{display:none}
  .hero{min-height:90vh}
  .section{padding:3.5rem 0}
  .wa-fab{width:50px;height:50px;bottom:1rem;right:1rem}
  .mobile-nav{top:64px}
}