:root{
  --primary:#e8731c;
  --primary-dark:#c45c0e;
  --dark:#1b2330;
  --dark-2:#232e3f;
  --text:#4a5568;
  --bg:#ffffff;
  --alt:#f5f7fa;
  --whatsapp:#25d366;
  --radius:16px;
  --shadow:0 10px 30px rgba(27,35,48,.10);
  --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ===== NAVBAR ===== */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(27,35,48,.92);
  backdrop-filter:blur(10px);
  box-shadow:0 2px 12px rgba(0,0,0,.2);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{width:44px;height:44px}
.brand-text{font-size:1.25rem;font-weight:800;color:#fff;letter-spacing:.5px;display:flex;flex-direction:column;line-height:1}
.brand-text em{font-style:normal;color:var(--primary);font-size:.75rem;font-weight:600;letter-spacing:2px;text-transform:uppercase}
.nav-links{display:flex;gap:28px}
.nav-links a{color:#d7dee8;font-weight:500;font-size:.95rem;transition:.2s}
.nav-links a:hover{color:var(--primary)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.8rem;cursor:pointer}

/* ===== BUTTONS ===== */
.btn{
  display:inline-block;padding:.8rem 1.6rem;border-radius:50px;
  font-weight:600;font-size:.95rem;border:none;cursor:pointer;
  transition:.25s;text-align:center;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-whatsapp{background:var(--whatsapp);color:#fff}
.btn-whatsapp:hover{filter:brightness(.92);transform:translateY(-2px)}
.btn-cta{background:var(--primary);color:#fff;padding:.55rem 1.2rem;font-size:.85rem}
.btn-cta:hover{background:var(--primary-dark)}
.btn-block{width:100%}

/* ===== HERO ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;color:#fff}
.hero-media{position:absolute;inset:0}
.hero-img{width:100%;height:100%;object-fit:cover}
.hero-shade{position:absolute;inset:0;background:linear-gradient(100deg,rgba(15,20,30,.88) 30%,rgba(15,20,30,.40) 70%,rgba(15,20,30,.25))}
.hero-content{position:relative;z-index:2;max-width:640px;padding-top:100px;padding-bottom:60px}
.hero-badge{
  display:inline-block;background:rgba(232,115,28,.18);border:1px solid rgba(232,115,28,.5);
  color:#ffd9b0;padding:.4rem 1rem;border-radius:50px;font-size:.8rem;font-weight:600;margin-bottom:1.2rem;
}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;line-height:1.12;margin-bottom:1rem}
.hero-sub{font-size:1.1rem;color:#cfd8e3;max-width:540px;margin-bottom:1.8rem}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:2.4rem}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.stat strong{display:block;font-size:1.9rem;font-weight:800;color:var(--primary)}
.stat span{font-size:.85rem;color:#b7c2cf}

/* ===== SECTIONS ===== */
.section{padding:70px 0}
.section-alt{background:var(--alt)}
.section-head{text-align:center;max-width:680px;margin:0 auto 40px}
.eyebrow{
  display:inline-block;color:var(--primary);font-weight:700;letter-spacing:2px;
  text-transform:uppercase;font-size:.78rem;margin-bottom:.7rem;
}
.section-head h2{font-size:clamp(1.7rem,3.5vw,2.4rem);color:var(--dark);margin-bottom:.7rem;line-height:1.2}
.section-head p{color:var(--text)}

.grid{display:grid;gap:24px}

/* ===== CARDS ===== */
.card{
  background:#fff;border-radius:var(--radius);padding:30px 26px;
  box-shadow:var(--shadow);transition:.3s;border:1px solid #eef1f5;
}
.card:hover{transform:translateY(-6px)}
.card-icon{width:64px;height:64px;margin-bottom:1rem}
.card h3{color:var(--dark);margin-bottom:.6rem;font-size:1.15rem}
.card p{font-size:.92rem}
.services-grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.services-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.services-grid{grid-template-columns:1fr}}

/* ===== PROJECTS ===== */
.projects-grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.projects-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.projects-grid{grid-template-columns:1fr}}
.project{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.project img{width:100%;height:280px;object-fit:cover;transition:.5s}
.project:hover img{transform:scale(1.06)}
.project figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:34px 18px 16px;
  background:linear-gradient(transparent,rgba(15,20,30,.85));color:#fff;display:flex;flex-direction:column;
}
.project figcaption strong{font-size:1.05rem}
.project figcaption span{font-size:.82rem;color:#f5c9a5}

/* ===== VALUES ===== */
.values-grid{grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:900px){.values-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.values-grid{grid-template-columns:1fr}}
.value{background:#fff;border:1px solid #eef1f5;border-radius:var(--radius);padding:26px 22px;text-align:center;transition:.3s}
.value:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.value-icon{width:52px;height:52px;margin:0 auto .9rem}
.value h4{color:var(--dark);margin-bottom:.5rem}
.value p{font-size:.88rem}

/* ===== NOSOTROS ===== */
.nosotros{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media(max-width:820px){.nosotros{grid-template-columns:1fr}}
.nosotros-media img{border-radius:var(--radius);box-shadow:var(--shadow);height:100%;object-fit:cover}
.nosotros-text .eyebrow{margin-bottom:.6rem}
.nosotros-text h2{color:var(--dark);font-size:2rem;margin-bottom:1rem}
.nosotros-text p{margin-bottom:1rem}
.checklist{list-style:none;margin-top:1rem}
.checklist li{padding:.45rem 0 .45rem 2rem;position:relative;font-weight:500;color:var(--dark)}
.checklist li::before{content:"✓";position:absolute;left:0;top:.45rem;color:var(--primary);font-weight:900}

/* ===== TESTIMONIOS ===== */
.testimonials-grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:820px){.testimonials-grid{grid-template-columns:1fr}}
.testimonial{background:#fff;border-left:4px solid var(--primary);border-radius:12px;padding:24px;box-shadow:var(--shadow)}
.testimonial p{font-style:italic;margin-bottom:1rem}
.testimonial cite{color:var(--primary-dark);font-style:normal;font-weight:600}

/* ===== CONTACTO ===== */
.section-contact{background:linear-gradient(120deg,var(--dark),var(--dark-2));color:#d7dee8}
.section-contact .eyebrow{color:var(--primary)}
.section-contact h2{color:#fff;font-size:2rem;margin-bottom:.8rem}
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media(max-width:820px){.contact-wrap{grid-template-columns:1fr}}
.contact-info p{margin-bottom:1.5rem}
.contact-list{list-style:none;margin-bottom:1.6rem}
.contact-list li{padding:.5rem 0;font-size:1rem}
.contact-list a:hover{color:var(--primary)}
.contact-list strong{color:#fff;margin-right:4px}
.socials{display:flex;gap:14px}
.socials a{width:44px;height:44px;background:rgba(255,255,255,.08);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.25s}
.socials a:hover{background:var(--primary)}
.socials img{width:24px;height:24px}
.contact-form{
  background:#fff;color:var(--text);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);
}
.contact-form h3{color:var(--dark);margin-bottom:1.2rem;font-size:1.3rem}
.contact-form label{display:block;font-size:.8rem;font-weight:600;color:var(--dark);margin-bottom:1rem}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;margin-top:.35rem;padding:.75rem .9rem;border:1px solid #dce1e8;border-radius:10px;
  font-size:.95rem;font-family:inherit;background:#fbfcfe;
}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{
  outline:2px solid var(--primary);border-color:transparent;
}
.form-note{margin-top:.8rem;font-weight:600;color:var(--primary);min-height:1.2em}
@media(max-width:520px){.section{padding:50px 0}}

/* ===== FOOTER ===== */
.footer{background:#141a24;color:#a7b1be}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding:50px 24px 30px}
@media(max-width:720px){.footer-inner{grid-template-columns:1fr}}
.footer-brand .brand-logo{margin-bottom:.8rem}
.footer-brand p{font-size:.9rem;max-width:300px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col h4{color:#fff;margin-bottom:.4rem;font-size:1rem}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid #222c3a;padding:20px 0}
.footer-bottom .container{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:.85rem}
@media(max-width:520px){.footer-bottom .container{flex-direction:column}}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float{
  position:fixed;right:22px;bottom:22px;z-index:90;width:58px;height:58px;
  background:var(--whatsapp);border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(0,0,0,.25);transition:.25s;
}
.whatsapp-float:hover{transform:scale(1.08)}
.whatsapp-float img{width:32px;height:32px}

/* ===== MOBILE NAV ===== */
@media(max-width:760px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--dark);padding:0;max-height:0;overflow:hidden;transition:max-height .3s;
  }
  .nav-links.open{max-height:320px;box-shadow:0 10px 20px rgba(0,0,0,.25)}
  .nav-links a{padding:16px 24px;border-top:1px solid #2c3850}
  .nav-cta{display:none}
  .nav-toggle{display:block}
}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}