/* Mantovani Jewels — static site. Monochrome, Space Grotesk display. v2 (About cols) */
:root{--ink:#0a0a0a;--bg:#ffffff;--muted:#6b6b70;--line:#e6e6e6;--maxw:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,.brand,.card-t,.btn{font-family:"Space Grotesk",Inter,sans-serif;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
main{min-height:60vh}
/* nav */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center}
.gem{width:26px;height:34px;background:radial-gradient(ellipse at 38% 32%,rgba(255,255,255,.55),transparent 42%),var(--ink);border-radius:50% 50% 48% 48%/56% 56% 44% 44%;display:inline-block}
.nav nav{display:flex;gap:1.6rem}
.nav nav a{font-family:"Space Grotesk";font-size:.82rem;letter-spacing:.06em;color:var(--ink);opacity:.75;transition:opacity .2s}
.nav nav a:hover,.nav nav a.active{opacity:1;text-decoration:underline;text-underline-offset:5px}
.menu-btn{display:none;background:none;border:0;font-size:1.4rem;cursor:pointer}
/* hero */
.hero{padding:0}
.hero-img{width:100%;height:74vh;min-height:420px;background:#f2f2f2 center/contain no-repeat}
/* sections */
section{max-width:var(--maxw);margin:0 auto;padding:5rem 2rem}
.statement{max-width:760px;text-align:center}
.statement h1{font-size:clamp(2.4rem,6vw,4rem);margin:0 0 2rem;line-height:1.05}
.statement p{font-size:1.06rem;margin:0 0 1.1rem}
.page-head{max-width:820px}
.page-head h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.08;margin:0 0 1rem}
.lead{font-size:1.2rem;font-weight:500}
.btn{display:inline-block;margin-top:1.6rem;padding:.85rem 1.6rem;background:var(--ink);color:#fff;border:0;border-radius:2px;font-size:.82rem;letter-spacing:.06em;cursor:pointer;transition:opacity .2s}
.btn:hover{opacity:.82}
/* grid */
.grid-section h2,.follow h2{font-size:.9rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);text-align:center;margin:0 0 2.4rem}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.card{position:relative;display:block}
.card-img{display:block;aspect-ratio:1/1;background:#111 center/cover no-repeat;border-radius:2px;transition:transform .4s}
.card:hover .card-img{transform:scale(1.02)}
.card-t{position:absolute;left:0;right:0;bottom:0;padding:.7rem .8rem;color:#fff;font-size:.86rem;letter-spacing:.08em;background:linear-gradient(transparent,rgba(0,0,0,.6))}
/* follow */
.follow{text-align:center}
.follow-links{display:flex;gap:2rem;justify-content:center}
.follow-links a{font-family:"Space Grotesk";letter-spacing:.05em;border-bottom:1px solid var(--ink);padding-bottom:2px}
/* project */
.project{max-width:var(--maxw);margin:0 auto;padding:2rem}
.proj-hero{width:100%;height:70vh;min-height:420px;background:#111 center/cover no-repeat;border-radius:2px}
.proj-text{max-width:720px;margin:3rem auto 0;text-align:center}
.proj-text h1{font-size:clamp(2.2rem,6vw,3.6rem);line-height:1.05;margin:0 0 1.6rem}
.reg{font-size:.5em;vertical-align:super;opacity:.6}
.subtitle{font-size:.5em;display:inline-block;margin-top:.6rem;opacity:.85}
.proj-text p{font-size:1.05rem;text-align:center;margin:0 0 1.1rem}
.back{margin-top:2rem}.back a{color:var(--muted);font-size:.9rem}
/* contact form */
.contact-info{font-size:1.1rem;margin-top:1.4rem}
.form-wrap{max-width:640px}
.contact-form .row{margin-bottom:1.1rem}
.contact-form label{display:block;font-size:.8rem;letter-spacing:.05em;color:var(--muted);text-transform:uppercase}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;margin-top:.4rem;padding:.7rem;border:1px solid var(--line);border-radius:2px;font:inherit;background:#fafafa}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:2px solid var(--ink);outline-offset:1px}
.form-alt{margin-top:1.4rem;color:var(--muted)}.form-alt a{border-bottom:1px solid var(--ink)}
/* faq */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line);padding:1.1rem 0}
.faq summary{font-family:"Space Grotesk";font-size:1.05rem;cursor:pointer}
.faq p{color:#333;margin:.8rem 0 0}
/* footer */
.site-foot{border-top:1px solid var(--line);margin-top:4rem}
.foot-inner{max-width:var(--maxw);margin:0 auto;padding:3rem 2rem;text-align:center;display:flex;flex-direction:column;gap:.9rem;align-items:center}
.foot-mail{font-size:1.05rem}
.foot-brand{font-family:"Space Grotesk";font-weight:700;font-size:1.2rem}
.foot-social{display:flex;gap:1.4rem}.foot-social a{color:var(--muted)}.foot-social a:hover{color:var(--ink)}
.foot-reviews a{color:var(--muted);font-size:.92rem}
.foot-legal{color:var(--muted);font-size:.8rem}
/* responsive */
@media(max-width:820px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .nav nav{position:fixed;inset:64px 0 auto 0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:0;transform:translateY(-120%);transition:transform .3s}
  body.menu-open .nav nav{transform:translateY(0)}
  .nav nav a{padding:1rem 2rem;border-top:1px solid var(--line)}
  .menu-btn{display:block}
  section{padding:3.4rem 1.4rem}
}
@media(max-width:520px){.grid{grid-template-columns:1fr}}

.about-cols{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;max-width:var(--maxw);margin:0 auto;padding:0 2rem 3rem}
section>h2,.about-cols h2{font-family:"Space Grotesk";font-size:1.35rem;margin:0 0 1rem}
.timeline,.steps{max-width:840px;line-height:1.7}
.timeline li,.steps li{margin:0 0 .9rem}
@media(max-width:820px){.about-cols{grid-template-columns:1fr;padding:0 1.4rem 2rem}}