:root{--navy:#071b36;--blue:#0878f9;--cyan:#19b9ed;--green:#58b62b;--yellow:#ffc21c;--orange:#ff851b;--red:#f3262d;--ink:#132238}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:linear-gradient(135deg,#eef8ff,#fff 45%,#fff2dc);line-height:1.6}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}.wrap{width:min(1160px,calc(100% - 36px));margin:auto}header{position:sticky;top:0;z-index:20;background:#fff;border-top:6px solid var(--blue);box-shadow:0 5px 20px rgba(7,27,54,.08)}nav{height:86px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--navy)}.brand img{width:70px;height:64px;object-fit:contain}.links{display:flex;gap:10px;align-items:center}.links a,.btn{padding:12px 18px;border-radius:999px;font-weight:800}.links a:hover,.links .active{background:var(--blue);color:#fff}.btn{display:inline-flex;background:linear-gradient(90deg,var(--blue),var(--cyan));color:#fff;border:0}.hero{padding:80px 0 58px;text-align:center;background:linear-gradient(120deg,#eaf8ff,#fff7d4,#ffe8ec)}.eyebrow{font-weight:900;color:var(--blue);text-transform:uppercase;letter-spacing:.14em;font-size:.8rem}h1{font-size:clamp(2.7rem,6vw,5.2rem);line-height:1;margin:14px 0;color:var(--navy)}.lead{max-width:760px;margin:auto;color:#5c6b7d;font-size:1.12rem}.content{padding:72px 0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{padding:30px;border-radius:22px;background:#fff;box-shadow:0 12px 35px rgba(7,27,54,.1);border-bottom:7px solid var(--blue)}.card:nth-child(2){border-color:var(--green)}.card:nth-child(3){border-color:var(--orange)}.card h2,.card h3{color:var(--navy)}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.gallery button{padding:0;border:0;border-radius:16px;overflow:hidden;cursor:pointer;aspect-ratio:4/3;background:#ddd;box-shadow:0 9px 28px rgba(7,27,54,.12)}.gallery img{width:100%;height:100%;object-fit:cover;transition:.3s}.gallery button:hover img{transform:scale(1.06)}.stone-title{margin:65px 0 25px;color:var(--navy);font-size:2.2rem}.stone{padding:30px;border-radius:25px;background:linear-gradient(120deg,#071b36,#0878f9);color:#fff}.stone .gallery{grid-template-columns:repeat(3,1fr)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.contact-card{padding:35px;border-radius:24px;background:#fff;box-shadow:0 12px 35px rgba(7,27,54,.1)}.big-link{display:block;margin:14px 0;padding:18px;border-radius:16px;font-size:1.2rem;font-weight:900}.phone{background:#eaf4ff;color:#0756ad}.whatsapp{background:#e6ffef;color:#087c35}.lightbox{display:none;position:fixed;inset:0;z-index:100;background:rgba(0,7,20,.94);align-items:center;justify-content:center;padding:24px}.lightbox.open{display:flex}.lightbox img{max-width:94vw;max-height:88vh;border-radius:12px}.close{position:absolute;right:20px;top:18px;border:0;border-radius:50%;width:48px;height:48px;font-size:1.8rem}footer{background:var(--navy);color:#fff;padding:35px 0;text-align:center}.float{position:fixed;right:18px;bottom:18px;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#25d366;font-size:1.5rem}@media(max-width:850px){.links a:not(.active){display:none}.cards,.contact-grid{grid-template-columns:1fr}.gallery{grid-template-columns:repeat(3,1fr)}}@media(max-width:560px){nav{height:72px}.brand img{width:55px}.brand span{display:none}.links{gap:4px}.links a{padding:9px 11px;font-size:.84rem}.gallery,.stone .gallery{grid-template-columns:repeat(2,1fr)}.hero{padding:55px 0 42px}.content{padding:50px 0}}