:root {
  --primary-color:#13829F;
  --secondary-color:#1A9FBF;
  --accent-color:#4ABEDC;
  --gold-accent:#F7D04F;
  --white:#FFFFFF;
  --light-gray:#F8F9FA;
  --gray:#6C757D;
  --dark-gray:#495057;
  --black:#212529;
  --primary-gradient:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);
  --accent-gradient:linear-gradient(135deg,var(--accent-color) 0%,var(--secondary-color) 100%);
  --shadow-light:0 2px 10px rgba(19,130,159,.1);
  --shadow-medium:0 4px 20px rgba(19,130,159,.15);
  --shadow-heavy:0 10px 40px rgba(19,130,159,.2);
  --font-primary:'Segoe UI',system-ui,-apple-system,sans-serif;
  --font-weight-normal:400;
  --font-weight-medium:500;
  --font-weight-semibold:600;
  --font-weight-bold:700;
}

/* RESET */
*{margin:0;padding:0;box-sizing:border-box;}
body{
  font-family:var(--font-primary);
  line-height:1.6;
  color:var(--dark-gray);
  background-color:var(--white);
  overflow-x:hidden;
}

/* HEADER */
.header{
  background:var(--white);
  box-shadow:var(--shadow-light);
  position:fixed;top:0;width:100%;z-index:1000;
  transition:all .3s ease;
}
.header.scrolled{
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow-medium);
}
.nav{
  display:flex;justify-content:space-between;align-items:center;
  max-width:1200px;margin:0 auto;padding:1rem 2rem;
}
.logo{font-size:2rem;font-weight:var(--font-weight-bold);color:var(--primary-color);letter-spacing:-1px;}
.nav-menu{display:flex;list-style:none;gap:2rem;}
.nav-link{
  color:var(--dark-gray);text-decoration:none;
  font-weight:var(--font-weight-medium);
  padding:.5rem 1rem;border-radius:8px;
  transition:all .3s ease;position:relative;
}
.nav-link:hover,.nav-link.active{color:var(--primary-color);background:rgba(44,85,48,.05);}
.nav-link.active::after{
  content:'';position:absolute;bottom:-20px;left:50%;
  transform:translateX(-50%);
  width:30px;height:3px;background:var(--gold-accent);border-radius:2px;
}

/* MOBILE MENU */
.hamburger{display:none;flex-direction:column;cursor:pointer;gap:4px;}
.hamburger span{width:25px;height:3px;background:var(--primary-color);border-radius:2px;transition:all .3s ease;}

/* HERO */
.hero{
  background:var(--primary-gradient);
  color:var(--white);
  padding:120px 2rem 80px;
  text-align:center;
  position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='3'/%3E%3Cpath d='M15 15h2v2h-2zM45 15h2v2h-2zM15 45h2v2h-2zM45 45h2v2h-2z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content{max-width:800px;margin:0 auto;position:relative;z-index:2;}
.hero h1{font-size:clamp(2.5rem,5vw,3.5rem);margin-bottom:1.5rem;font-weight:var(--font-weight-bold);line-height:1.2;}
.hero p{font-size:1.25rem;margin-bottom:2rem;opacity:.9;}
.cta-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:2rem;}

/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:1rem 2rem;border:none;border-radius:50px;
  font-weight:var(--font-weight-semibold);
  text-decoration:none;cursor:pointer;
  transition:all .3s ease;font-size:1rem;
}
.btn-primary{
  background:var(--gold-accent);color:var(--primary-color);box-shadow:var(--shadow-medium);
}
.btn-primary:hover{background:#FFD700;transform:translateY(-2px);box-shadow:var(--shadow-heavy);}
.btn-secondary{
  background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.3);
}
.btn-secondary:hover{background:rgba(255,255,255,.1);border-color:var(--white);}

/* SERVICES */
.services{padding:80px 2rem;background:var(--light-gray);}
.container{max-width:1200px;margin:0 auto;}
.section-header{text-align:center;margin-bottom:4rem;}
.section-header h2{font-size:2.5rem;color:var(--primary-color);margin-bottom:1rem;font-weight:var(--font-weight-bold);}
.section-header p{font-size:1.125rem;color:var(--gray);max-width:600px;margin:0 auto;}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem;}
.service-card{
  background:var(--white);padding:2rem;border-radius:20px;
  box-shadow:var(--shadow-light);
  transition:all .4s cubic-bezier(.175,.885,.32,1.275);
  border-top:4px solid transparent;position:relative;overflow:hidden;
}
.service-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--accent-gradient);transform:scaleX(0);
  transition:transform .3s ease;
}
.service-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-heavy);}
.service-card:hover::before{transform:scaleX(1);}
.service-icon{
  width:80px;height:80px;background:var(--accent-gradient);
  border-radius:20px;display:flex;align-items:center;justify-content:center;
  margin-bottom:1.5rem;position:relative;
}
.service-icon svg{width:40px;height:40px;fill:var(--white);}
.service-card h3{font-size:1.5rem;color:var(--primary-color);margin-bottom:1rem;font-weight:var(--font-weight-semibold);}
.service-card p{color:var(--gray);line-height:1.7;margin-bottom:1.5rem;}
.service-features{list-style:none;margin:0;padding:0;}
.service-features li{
  padding:.5rem 0 .5rem 1.5rem;color:var(--dark-gray);
  position:relative;line-height:1.6;
}
.service-features li::before{
  content:'✓';position:absolute;left:0;top:.2rem;
  color:var(--accent-color);font-weight:var(--font-weight-bold);
}

/* ABOUT */
.about{padding:80px 2rem;background:var(--white);}
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;}
.about-text h2{font-size:2.5rem;color:var(--primary-color);margin-bottom:1.5rem;font-weight:var(--font-weight-bold);}
.about-text p{font-size:1.125rem;color:var(--gray);margin-bottom:2rem;line-height:1.7;}
.about-stats{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:2rem;margin-top:3rem;
}
.stat{text-align:center;}
.stat-number{font-size:3rem;font-weight:var(--font-weight-bold);color:var(--primary-color);display:block;}
.stat-label{
  color:var(--gray);font-weight:var(--font-weight-medium);
  text-transform:uppercase;letter-spacing:1px;font-size:.875rem;
}
.about-image{
  position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-medium);
}
.about-image::before{
  content:'';position:absolute;inset:0;
  background:var(--primary-gradient);opacity:.1;z-index:2;
}
.about-image img{width:100%;height:400px;object-fit:cover;}

/* CONTACT */
.contact{padding:80px 2rem;background:var(--light-gray);}
.contact-bg{
  background-image:url('5.png');
  background-size:cover;background-position:center;background-repeat:no-repeat;
}
.contact-content{
  display:grid;grid-template-columns:1fr 1fr;gap:4rem;
  max-width:1000px;margin:0 auto;
}
.contact-info h3{
  font-size:1.5rem;color:var(--primary-color);
  margin-bottom:2rem;font-weight:var(--font-weight-semibold);
}
.contact-item{
  display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;
  padding:1rem;background:var(--white);
  border-radius:12px;box-shadow:var(--shadow-light);
  transition:all .3s ease;
}
.contact-item:hover{box-shadow:var(--shadow-medium);}
.contact-icon{
  width:50px;height:50px;background:var(--accent-gradient);
  border-radius:12px;display:flex;align-items:center;justify-content:center;
}
.contact-icon svg{width:24px;height:24px;fill:var(--white);}
.contact-form{
  background:var(--white);padding:2rem;border-radius:20px;box-shadow:var(--shadow-light);
}
.form-group{margin-bottom:1.5rem;}
.form-label{display:block;margin-bottom:.5rem;color:var(--primary-color);font-weight:var(--font-weight-medium);}
.form-input,.form-textarea,.form-select{
  width:100%;padding:1rem;border:2px solid #E9ECEF;
  border-radius:12px;font-size:1rem;
  transition:border-color .3s ease;font-family:var(--font-primary);
}
.form-input:focus,.form-textarea:focus,.form-select:focus{
  outline:none;border-color:var(--accent-color);
}
.form-textarea{resize:vertical;min-height:120px;}

/* FOOTER */
.footer{background:var(--primary-gradient);color:var(--white);padding:3rem 2rem 1rem;}
.footer-content{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:2rem;max-width:1200px;margin:0 auto 2rem;
}
.footer-section h3{margin-bottom:1rem;font-weight:var(--font-weight-semibold);}
.footer-section a:hover{color:var(--gold-accent);}
.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.6);}

/* FLOAT BUTTON */
.whatsapp-float{
  position:fixed;width:60px;height:60px;bottom:30px;right:30px;
  background:#25D366;color:var(--white);
  border-radius:50%;font-size:30px;
  box-shadow:var(--shadow-medium);z-index:100;
  display:flex;align-items:center;justify-content:center;
  transition:all .3s ease;text-decoration:none;
}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:var(--shadow-heavy);}

/* VISITOR BADGE + POPUP */
.visitor-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;
  background:var(--gold-accent);color:var(--primary-color);
  font-weight:bold;font-size:1rem;
  box-shadow:0 0 8px rgba(247,208,79,.4);
  transition:transform .3s ease;
}
.visitor-badge:hover{transform:scale(1.1);}
.visitor-badge.top-right{position:absolute;top:16px;right:16px;}

.call-popup{
  position:fixed;inset:0;background:rgba(0,0,0,.55);
  backdrop-filter:blur(5px);display:none;
  align-items:center;justify-content:center;z-index:3000;
}
.call-popup-content{
  background:#fff;color:#333;padding:25px;
  border-radius:16px;width:90%;max-width:420px;
  box-shadow:0 10px 30px rgba(0,0,0,.3);
  animation:fadeIn .25s ease;text-align:left;
}
.call-popup-content h3{color:var(--primary-color);margin-bottom:10px;}
@keyframes fadeIn{from{opacity:0;transform:scale(.96);}to{opacity:1;transform:scale(1);}}

/* RESPONSIVE */
@media(max-width:768px){
  .hamburger{display:flex;}
  .nav-menu{
    position:fixed;top:80px;left:0;width:100%;height:calc(100vh - 80px);
    background:var(--white);flex-direction:column;align-items:center;justify-content:start;
    padding-top:2rem;transform:translateX(-100%);transition:transform .3s ease;box-shadow:var(--shadow-medium);
  }
  .nav-menu.active{transform:translateX(0);}
  .nav-link{font-size:1.25rem;margin-bottom:1rem;}
  .hero h1{font-size:2.5rem;}
  .hero p{font-size:1.125rem;}
  .services-grid,.contact-content,.about-content{grid-template-columns:1fr;}
  .footer-content{grid-template-columns:1fr;text-align:center;}
  .about-stats{grid-template-columns:repeat(2,1fr);}
  .about-image img{height:280px;}
}
@media(max-width:480px){
  .about-stats{grid-template-columns:1fr;}
  .stat-number{font-size:2rem;}
}

/* ANIMATIONS */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px);}to{opacity:1;transform:translateY(0);}}
.fade-in-up{animation:fadeInUp .6s ease forwards;}
.loading{opacity:0;transform:translateY(20px);transition:all .6s ease;}
.loading.loaded{opacity:1;transform:translateY(0);}

.show-phone-link {
  color: #13829F;
  font-weight: 500;
  text-decoration: underline;
  margin-left: 6px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-size: 1rem;
  transition: color 0.2s ease;
}
.show-phone-link:hover {
  color: #0d6478;
  text-decoration: none;
}