/* ===== Crevitec · Arquitectura Técnica =====
   Estilos web estática — diseño a medida */

:root{
  --ink:#33424c;        /* pizarra del texto del logo */
  --ink-soft:#5a6770;
  --bg:#ffffff;
  --bg-alt:#f1f6f2;     /* verde muy suave */
  --line:#e1e8e2;
  --accent:#1f9e4e;     /* verde Crevitec */
  --accent-dark:#16803d;
  --radius:14px;
  --shadow:0 10px 30px rgba(31,66,40,.09);
  --max:1120px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:'Jost',sans-serif;font-weight:500;line-height:1.15;color:var(--ink);letter-spacing:.01em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:600}
h2{font-size:clamp(1.7rem,3.5vw,2.5rem);margin-bottom:.6em}
a{color:inherit;text-decoration:none}

.eyebrow{
  text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;
  font-weight:600;color:var(--accent);margin-bottom:.7rem;
}

/* ===== Botones ===== */
.btn{
  display:inline-block;padding:.85rem 1.5rem;border-radius:50px;
  font-weight:600;font-size:.97rem;cursor:pointer;border:none;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(185,116,63,.35)}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-whatsapp{background:var(--wa);color:#fff}
.btn-block{width:100%;text-align:center}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700}
.brand-mark{
  display:grid;place-items:center;color:var(--accent);line-height:0;
}
.brand-mark img{height:46px;width:auto;display:block}
.footer-inner .brand-mark img{height:34px}
.brand-text{display:flex;flex-direction:column;line-height:1.05;font-size:1.3rem;font-family:'Jost',sans-serif;font-weight:500;letter-spacing:.13em;text-transform:uppercase}
.brand-text small{font-size:.6rem;font-weight:400;color:var(--ink-soft);letter-spacing:.22em}
.nav{display:flex;align-items:center;gap:1.8rem}
.nav a{font-weight:500;color:var(--ink-soft);transition:color .15s}
.nav a:hover{color:var(--ink)}
.nav .nav-cta{
  background:var(--ink);color:#fff;padding:.55rem 1.2rem;border-radius:50px;
}
.nav .nav-cta:hover{background:var(--accent)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:2px;background:var(--ink);transition:.25s}

/* ===== Hero ===== */
.hero{
  background:linear-gradient(160deg,#f6fbf7 0%,#e9f4ec 100%);
  padding:clamp(3.5rem,9vw,7rem) 0;border-bottom:1px solid var(--line);
}
.hero-inner{max-width:760px}
.hero-sub{font-size:1.15rem;color:var(--ink-soft);margin:1.2rem 0 2rem;max-width:600px}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.hero-foot{margin-top:1.8rem;font-size:.9rem;color:var(--ink-soft)}

/* ===== Secciones ===== */
.section{padding:clamp(3.5rem,8vw,6rem) 0}
.section-alt{background:var(--bg-alt)}
.section-lead{color:var(--ink-soft);max-width:640px;margin-bottom:2.2rem}
.section-lead em{color:var(--accent-dark);font-style:normal;font-size:.92em}

/* ===== Grids / Cards ===== */
.grid{display:grid;gap:1.4rem;margin-top:2rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.8rem;transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-icon{font-size:1.9rem;margin-bottom:.8rem}
.card-icon img{height:64px;width:auto;display:block}
.card h3{font-size:1.25rem;margin-bottom:.4rem}
.card p{color:var(--ink-soft);font-size:.97rem}

/* ===== Proyectos ===== */
.projects{margin-top:1rem}
.project{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line)}
.project img{width:100%;height:230px;object-fit:cover;display:block}
.project figcaption{padding:1.1rem 1.3rem}
.project h3{font-size:1.15rem}
.project p{color:var(--ink-soft);font-size:.9rem}
.project-placeholder .ph{
  height:230px;display:grid;place-items:center;color:#9bb3a2;
  background:repeating-linear-gradient(45deg,#eef4ef,#eef4ef 12px,#e4eee7 12px,#e4eee7 24px);
  font-size:.95rem;
}

/* ===== Despacho ===== */
.about{display:grid;grid-template-columns:1.4fr 1fr;gap:3rem;align-items:center}
.about p{color:var(--ink-soft);margin-bottom:1rem}
.about-list{list-style:none;margin-top:1.4rem;display:grid;gap:.6rem}
.about-list li{padding-left:1.6rem;position:relative;color:var(--ink-soft)}
.about-list li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.about-stats{display:grid;gap:1rem}
.stat{background:var(--ink);color:#fff;border-radius:var(--radius);padding:1.4rem 1.6rem}
.stat span{font-family:'Jost',sans-serif;font-weight:600;font-size:2.2rem;display:block;line-height:1}
.stat small{color:#c9d1d8;font-size:.85rem}

/* ===== Contacto ===== */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:3rem;align-items:start}
.contact-list{list-style:none;margin:1.5rem 0;display:grid;gap:.8rem}
.contact-list li{display:flex;align-items:center;gap:.7rem}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow)}
.field{margin-bottom:1.1rem;display:flex;flex-direction:column;gap:.35rem}
.field label{font-weight:500;font-size:.92rem}
.field input,.field textarea{
  border:1px solid var(--line);border-radius:9px;padding:.75rem .9rem;font:inherit;
  background:#fcfbf9;transition:border .15s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.check{display:flex;gap:.6rem;align-items:flex-start;font-size:.87rem;color:var(--ink-soft);margin-bottom:1.2rem}
.check a{color:var(--accent-dark);text-decoration:underline}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:#c9d1d8;padding:2.5rem 0}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.footer-inner .brand-mark{color:#37c46f}
.footer-brand{display:flex;align-items:center;gap:.6rem;color:#fff}
.footer-legal{font-size:.82rem}
.footer-legal a{color:#c9d1d8;text-decoration:underline}

/* ===== Páginas legales ===== */
.legal-main{max-width:820px;margin:0 auto;padding:clamp(2.2rem,6vw,4.5rem) 24px}
.legal-main h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:.2em}
.legal-main h2{font-size:1.25rem;margin:2rem 0 .5rem;color:var(--ink)}
.legal-main p,.legal-main li{color:var(--ink-soft);margin-bottom:.7rem}
.legal-main ul{padding-left:1.3rem;margin-bottom:1rem}
.legal-main a{color:var(--accent-dark);text-decoration:underline}
.legal-updated{color:var(--accent-dark);font-size:.9rem;margin-bottom:2rem;display:block}
.legal-back{display:inline-block;margin-top:2.5rem;font-weight:600;color:var(--accent-dark)}
.legal-note{background:var(--bg-alt);border-left:3px solid var(--accent);padding:1rem 1.2rem;border-radius:8px;margin:1rem 0}

/* ===== WhatsApp flotante ===== */
.wa-float{
  position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;
  background:var(--wa);color:#fff;display:grid;place-items:center;font-size:1.6rem;
  box-shadow:0 8px 22px rgba(37,211,102,.45);z-index:60;transition:transform .15s;
}
.wa-float:hover{transform:scale(1.08)}

/* ===== Responsive ===== */
@media(max-width:860px){
  .grid-3{grid-template-columns:1fr 1fr}
  .about,.contact{grid-template-columns:1fr;gap:2rem}
}
@media(max-width:640px){
  .grid-3{grid-template-columns:1fr}
  .nav{
    position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;
    gap:0;border-bottom:1px solid var(--line);padding:1rem 24px;
    transform:translateY(-150%);transition:transform .28s ease;
  }
  .nav.open{transform:translateY(0)}
  .nav a{padding:.8rem 0;width:100%;border-bottom:1px solid var(--line)}
  .nav .nav-cta{text-align:center;margin-top:.6rem}
  .nav-toggle{display:flex}
  .hero-actions{flex-direction:column}
  .btn{text-align:center}
}