/* =============================================================
   Gabriele Tumeo — Web Engineering Studio
   Theme: "AI Lab" — deep night-blue, cyan→blue→violet accents
   Sora (display) · Inter (body) · JetBrains Mono (data)
   Robust layout: minmax(0,1fr) grids + flex lists.
   ============================================================= */
@font-face{font-family:'Sora';font-weight:400;font-display:swap;src:url('../fonts/sora-400.woff2') format('woff2');}
@font-face{font-family:'Sora';font-weight:500;font-display:swap;src:url('../fonts/sora-500.woff2') format('woff2');}
@font-face{font-family:'Sora';font-weight:600;font-display:swap;src:url('../fonts/sora-600.woff2') format('woff2');}
@font-face{font-family:'Sora';font-weight:700;font-display:swap;src:url('../fonts/sora-700.woff2') format('woff2');}
@font-face{font-family:'Inter';font-weight:400;font-display:swap;src:url('../fonts/inter-400.woff2') format('woff2');}
@font-face{font-family:'Inter';font-weight:500;font-display:swap;src:url('../fonts/inter-500.woff2') format('woff2');}
@font-face{font-family:'Inter';font-weight:600;font-display:swap;src:url('../fonts/inter-600.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-weight:400;font-display:swap;src:url('../fonts/jetbrains-mono-400.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-weight:500;font-display:swap;src:url('../fonts/jetbrains-mono-500.woff2') format('woff2');}

:root{
  --bg:#080b14;--bg-2:#0d1220;--card:#111829;--card-2:#0c1322;
  --line:rgba(255,255,255,.09);--line-2:rgba(255,255,255,.16);
  --text:#eef1f7;--muted:#9aa3b8;--faint:#828a9f;
  --cyan:#46e6d0;--blue:#6f8bff;--violet:#b78bff;
  --disp:'Sora',system-ui,sans-serif;--body:'Inter',system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace;
  --container:1180px;--pad:clamp(4.5rem,8vw,7.5rem);
}
*,*::before,*::after{box-sizing:border-box;margin:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*,*::before,*::after{animation:none!important;transition:none!important;}}
body{font-family:var(--body);background:var(--bg);color:var(--text);line-height:1.65;font-size:1.04rem;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  background-image:radial-gradient(70% 50% at 80% -5%,rgba(111,139,255,.16),transparent 60%),radial-gradient(60% 45% at 5% 8%,rgba(70,230,208,.10),transparent 60%);}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{font-family:var(--disp);font-weight:600;line-height:1.08;letter-spacing:-.02em;margin:0;}
p{margin:0 0 1rem;}ul{margin:0;padding:0;list-style:none;}strong{font-weight:600;color:#fff;}
::selection{background:rgba(111,139,255,.3);}

/* utilities */
.wrap{max-width:var(--container);margin-inline:auto;padding-inline:clamp(1.3rem,4vw,2.5rem);}
.section{padding-block:var(--pad);}
.section--tight{padding-block:clamp(3rem,5vw,4.5rem);}
.grad{background:linear-gradient(100deg,var(--cyan),var(--blue) 55%,var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;}
.lead{font-size:clamp(1.1rem,1rem+.6vw,1.42rem);color:var(--muted);max-width:60ch;line-height:1.5;}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);margin-bottom:1.3rem;}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);}
.head{max-width:64ch;margin-bottom:clamp(2.4rem,5vw,3.4rem);}
.head h1,.head h2{font-size:clamp(2rem,1.3rem+3vw,3.2rem);margin-bottom:1rem;}
.h-display{font-size:clamp(2.5rem,1.1rem+5.6vw,4.6rem);letter-spacing:-.025em;line-height:1.02;}

/* skip + focus */
.skip-link{position:absolute;left:.5rem;top:-3.5rem;background:var(--blue);color:#06121f;padding:.6rem 1rem;border-radius:8px;z-index:200;font-weight:600;transition:top .2s;}
.skip-link:focus{top:.5rem;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:3px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-weight:600;font-size:.96rem;padding:.9rem 1.6rem;border-radius:10px;border:1px solid transparent;cursor:pointer;transition:.18s;}
.btn .a{transition:.2s;}.btn:hover .a{transform:translateX(4px);}
.btn-fill{background:linear-gradient(100deg,var(--cyan),var(--blue));color:#06121f;}
.btn-fill:hover{transform:translateY(-2px);box-shadow:0 16px 36px -16px rgba(111,139,255,.6);}
.btn-line{border-color:var(--line-2);color:var(--text);}.btn-line:hover{border-color:var(--cyan);color:#fff;}
.btn-row{display:flex;flex-wrap:wrap;gap:.85rem;}

/* logo lockup */
.brand{display:inline-flex;align-items:center;gap:.7rem;}
.brand .mark{flex:0 0 auto;width:34px;height:34px;}
.brand .brand-txt{display:flex;flex-direction:column;line-height:1.04;}
.brand .brand-txt b{font-family:var(--disp);font-weight:700;font-size:1.12rem;letter-spacing:-.01em;color:var(--text);}
.brand .brand-txt i{font-family:var(--mono);font-style:normal;font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin-top:3px;}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(8,11,20,.72);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:1rem;}
nav.main{display:flex;align-items:center;gap:1.6rem;}
nav.main a.lk{font-size:.95rem;color:var(--muted);position:relative;padding:.3rem 0;}
nav.main a.lk:hover{color:var(--text);}
nav.main a.lk[aria-current="page"]{color:var(--text);}
nav.main a.lk[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),var(--blue));}
.menu-btn{display:none;}

/* hero */
.hero{padding-block:clamp(3.5rem,7vw,6rem);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:clamp(2rem,5vw,4rem);align-items:center;}
.hero h1{margin-bottom:1.5rem;}
.hero .lead{margin-bottom:2.1rem;}

/* prompt card signature */
.prompt{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line-2);border-radius:18px;overflow:hidden;box-shadow:0 40px 80px -40px rgba(0,0,0,.8);}
.prompt .top{display:flex;align-items:center;gap:.5rem;padding:.85rem 1.1rem;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.72rem;color:var(--faint);}
.prompt .top i{width:10px;height:10px;border-radius:50%;background:#2a3550;display:inline-block;}
.prompt .top span{margin-left:auto;}
.prompt .body{padding:1.3rem;display:grid;gap:1rem;}
.msg{display:flex;gap:.7rem;align-items:flex-start;}
.msg .who{flex:0 0 auto;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-family:var(--mono);font-size:.7rem;font-weight:600;}
.msg.user .who{background:rgba(255,255,255,.07);color:var(--muted);}
.msg.ai .who{background:linear-gradient(135deg,var(--cyan),var(--blue));color:#06121f;}
.msg .txt{min-width:0;font-size:.96rem;}
.msg .src{font-family:var(--mono);font-size:.72rem;color:var(--cyan);margin-top:.5rem;display:flex;gap:.5rem;flex-wrap:wrap;}
.msg .src u{text-decoration:none;border:1px solid var(--line-2);border-radius:999px;padding:.15rem .55rem;}
.typing{display:inline-flex;gap:4px;vertical-align:middle;}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--blue);animation:bl 1.2s infinite;}
.typing i:nth-child(2){animation-delay:.2s;}.typing i:nth-child(3){animation-delay:.4s;}
@keyframes bl{0%,60%,100%{opacity:.25;}30%{opacity:1;}}
@media(prefers-reduced-motion:reduce){.typing i{animation:none;opacity:.6;}}

/* stack chips */
.stack{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:1.5rem;}
.stack .wrap{display:flex;flex-wrap:wrap;gap:.7rem 1rem;align-items:center;}
.chip{font-family:var(--mono);font-size:.8rem;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:.35rem .8rem;}
.stack .lbl{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-right:.4rem;}

/* cards */
.cards{display:grid;gap:clamp(1rem,2vw,1.4rem);}
.cards--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.cards--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:clamp(1.6rem,2.4vw,2.1rem);display:flex;flex-direction:column;gap:.6rem;color:inherit;transition:.2s;}
a.card:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:0 26px 50px -30px rgba(0,0,0,.7);}
.card .ic{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;margin-bottom:.5rem;background:rgba(111,139,255,.12);border:1px solid var(--line-2);font-family:var(--mono);font-size:.9rem;color:var(--cyan);}
.card h3{font-size:1.35rem;}
.card p{color:var(--muted);font-size:.97rem;line-height:1.55;margin:0;}
.card .more{margin-top:auto;padding-top:.5rem;font-family:var(--mono);font-size:.8rem;color:var(--cyan);display:inline-flex;gap:.45rem;}
a.card:hover .more .a{transform:translateX(4px);}

/* points */
.points{display:grid;gap:1.5rem;}
.point{display:flex;gap:1rem;align-items:flex-start;}
.point .mk{flex:0 0 auto;width:24px;height:24px;margin-top:3px;border-radius:50%;border:1px solid var(--cyan);background:rgba(70,230,208,.1);display:flex;align-items:center;justify-content:center;}
.point .mk::after{content:"";width:7px;height:4px;border-left:1.5px solid var(--cyan);border-bottom:1.5px solid var(--cyan);transform:rotate(-45deg) translateY(-1px);}
.point .bd{min-width:0;}
.point .bd b{display:block;font-weight:600;color:#fff;margin-bottom:.15rem;}
.point .bd span{color:var(--muted);font-size:.98rem;}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(1.2rem,3vw,2.2rem);border-top:1px solid var(--line);padding-top:2.4rem;}
.metric b{font-family:var(--disp);font-weight:700;font-size:clamp(2.2rem,1.4rem+2.6vw,3.2rem);display:block;letter-spacing:-.03em;}
.metric span{color:var(--muted);font-size:.93rem;margin-top:.6rem;display:block;}

/* spec list */
.spec{border-top:1px solid var(--line);}
.spec__row{display:grid;grid-template-columns:minmax(130px,.3fr) minmax(0,1fr);gap:1.4rem;padding:1.3rem 0;border-bottom:1px solid var(--line);}
.spec__k{font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);padding-top:.15rem;}
.spec__v{color:var(--text);min-width:0;}

/* process steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(1.2rem,2.5vw,2rem);}
.step{padding-top:1.4rem;border-top:2px solid;border-image:linear-gradient(90deg,var(--cyan),var(--blue)) 1;}
.step .n{font-family:var(--mono);font-size:.85rem;color:var(--cyan);}
.step h3{font-size:1.25rem;margin:.6rem 0 .5rem;}
.step p{font-size:.95rem;color:var(--muted);margin:0;}

/* work grid */
.work-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(1.4rem,3vw,2.2rem);}
.work-item{display:block;color:inherit;}
.work-item .shot{border:1px solid var(--line-2);border-radius:14px;overflow:hidden;background:var(--card);transition:.25s;}
.work-item .shot img{width:100%;display:block;}
.work-item:hover .shot{transform:translateY(-4px);box-shadow:0 26px 50px -30px rgba(0,0,0,.8);border-color:var(--blue);}
.work-item .nm{font-family:var(--disp);font-weight:600;font-size:1.3rem;margin:1.1rem 0 .25rem;}
.work-item .mt{display:flex;justify-content:space-between;gap:1rem;color:var(--muted);font-size:.92rem;font-family:var(--mono);}
.work-item .mt .sec{color:var(--faint);}

/* faq */
.faq{border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{cursor:pointer;list-style:none;padding:1.3rem 2.4rem 1.3rem 0;position:relative;font-family:var(--disp);font-weight:600;font-size:1.18rem;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";position:absolute;right:.2rem;top:1rem;color:var(--cyan);font-size:1.5rem;transition:transform .2s;}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq p{color:var(--muted);padding:0 0 1.4rem;margin:0;max-width:74ch;}
.faq a{color:var(--blue);text-decoration:underline;text-underline-offset:2px;}

/* prose (inline links incl. internal/external) */
.prose p{color:var(--muted);}
.prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:2px;text-decoration-color:rgba(70,230,208,.4);}
.prose a:hover{text-decoration-color:var(--cyan);}
.prose strong{color:#fff;}

/* related links */
.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;}
.related a{display:flex;justify-content:space-between;align-items:center;gap:1rem;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.3rem;color:inherit;transition:.18s;}
.related a:hover{border-color:var(--blue);transform:translateY(-2px);}
.related a b{font-family:var(--disp);font-weight:600;font-size:1.02rem;}
.related a .a{color:var(--cyan);}

/* cta band */
.cta{display:grid;grid-template-columns:minmax(0,1.5fr) auto;gap:2rem;align-items:center;background:linear-gradient(120deg,rgba(70,230,208,.12),rgba(111,139,255,.12) 60%,rgba(183,139,255,.12));border:1px solid var(--line-2);border-radius:20px;padding:clamp(2.2rem,4vw,3.4rem);}
.cta h2{font-size:clamp(1.7rem,1.2rem+2.2vw,2.6rem);}
.cta p{color:var(--muted);margin-top:.6rem;max-width:48ch;}

/* breadcrumb */
.crumb{font-family:var(--mono);font-size:.78rem;color:var(--faint);padding-block:1.2rem;}
.crumb a{color:var(--muted);}.crumb a:hover{color:var(--cyan);}
.crumb [aria-current]{color:var(--text);}

/* forms */
.form{display:grid;gap:1.15rem;}
.field{display:grid;gap:.45rem;min-width:0;}
.field label{font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);}
.field input,.field textarea,.field select{font-family:var(--body);font-size:1rem;color:var(--text);background:var(--card);border:1px solid var(--line-2);border-radius:10px;padding:.85rem 1rem;width:100%;}
.field input::placeholder,.field textarea::placeholder{color:var(--faint);}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--cyan);outline-offset:1px;border-color:var(--cyan);}
.field textarea{min-height:140px;resize:vertical;}
.field-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1.15rem;}
.form__note{font-family:var(--mono);font-size:.72rem;color:var(--faint);}
.contact-list{display:grid;gap:1.4rem;}
.contact-list li{display:grid;gap:.3rem;min-width:0;}
.contact-list .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);}
.contact-list a{color:var(--text);border-bottom:1px solid var(--blue);width:max-content;max-width:100%;}
.contact-list a:hover{color:var(--blue);}

/* footer */
footer.site{border-top:1px solid var(--line);background:var(--bg-2);}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:2.2rem;padding-block:clamp(3rem,5vw,4.4rem);}
footer.site h2{font-family:var(--mono);font-weight:400;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin:0 0 1.1rem;}
footer.site .blurb{color:var(--muted);max-width:34ch;margin-top:1rem;font-size:.96rem;}
footer.site ul{display:grid;gap:.6rem;}
footer.site a{color:var(--muted);font-size:.95rem;}footer.site a:hover{color:var(--cyan);}
.foot-bottom{border-top:1px solid var(--line);padding-block:1.5rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem;font-family:var(--mono);font-size:.74rem;color:var(--faint);}

/* responsive */
@media(max-width:980px){.foot-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:880px){
  .hero-grid,.cta,.metrics,.related{grid-template-columns:1fr;}
  .prompt{order:-1;}
  .cards--3,.cards--2{grid-template-columns:1fr;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:1.8rem;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .work-grid{grid-template-columns:1fr;}
  nav.main{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg-2);border-bottom:1px solid var(--line);padding:.5rem 1.3rem 1.4rem;transform:translateY(-140%);transition:.25s;}
  nav.main.open{transform:none;}
  nav.main a.lk{padding:.9rem 0;border-bottom:1px solid var(--line);}
  nav.main a.lk[aria-current="page"]::after{display:none;}
  nav.main .btn{margin-top:.8rem;justify-content:center;}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;width:46px;height:42px;border:1px solid var(--line-2);border-radius:8px;background:none;cursor:pointer;}
  .menu-btn span,.menu-btn span::before,.menu-btn span::after{content:"";display:block;width:18px;height:2px;background:var(--text);position:relative;}
  .menu-btn span::before{position:absolute;top:-6px;}.menu-btn span::after{position:absolute;top:6px;}
}
@media(max-width:560px){
  .steps,.field-row{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .metrics{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
  .spec__row{grid-template-columns:1fr;gap:.4rem;}
}

/* ---------- Clients ---------- */
.clients-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:clamp(.8rem,1.6vw,1.1rem);}
.client{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:1.3rem 1.4rem;display:flex;flex-direction:column;gap:.35rem;transition:.18s;min-width:0;}
.client:hover{border-color:var(--line-2);transform:translateY(-2px);}
.client__name{font-family:var(--disp);font-weight:600;font-size:1.18rem;letter-spacing:-.01em;color:var(--text);}
.client__sector{color:var(--muted);font-size:.9rem;line-height:1.45;}
.client__links{display:flex;flex-wrap:wrap;gap:.3rem .9rem;margin-top:.55rem;}
.client__link{font-family:var(--mono);font-size:.76rem;color:var(--cyan);display:inline-flex;align-items:center;gap:.3rem;border-bottom:1px solid transparent;}
.client__link:hover{border-bottom-color:var(--cyan);}
.client__note{font-family:var(--mono);font-size:.74rem;color:var(--faint);margin-top:.55rem;}