/* ===== THEME: change colours/fonts here ===== */
:root{
  --bg:#ffffff; --bg-alt:#f5f8fc; --text:#0f172a; --muted:#5b6678;
  --brand:#38424c; --brand-2:#7b8ba0; --brand-dark:#262d34; --border:#e3e9f2; --radius:16px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
.container{width:min(1120px,92%);margin:0 auto}
.narrow{max-width:720px}.center{text-align:center}
h1,h2,h3{line-height:1.15;margin:0 0 .6em;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,5.5vw,3.9rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.5vw,2.5rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.grad{background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:.55rem;font-weight:700;font-size:1.2rem;color:var(--text);text-decoration:none}
.logo b{color:var(--brand-2)}
.logo img{display:block;height:31px;width:auto}
.nav-links{display:flex;align-items:center;gap:1.7rem}
.nav-links a{color:var(--text);text-decoration:none;font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--brand)}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text);margin:5px 0;transition:.25s}

/* buttons */
.btn{display:inline-block;background:var(--brand);color:#fff!important;padding:.85rem 1.6rem;border-radius:999px;font-weight:600;text-decoration:none;border:0;cursor:pointer;font-family:inherit;font-size:1rem;transition:transform .15s,box-shadow .15s,background .15s;box-shadow:0 8px 20px -8px rgba(56,66,76,.6)}
.btn:hover{transform:translateY(-2px);background:var(--brand-dark)}
.btn-small{padding:.5rem 1.1rem;font-size:.9rem}
.btn-ghost{background:transparent;color:var(--text)!important;border:1.5px solid var(--border);box-shadow:none}
.btn-ghost:hover{background:var(--bg-alt)}
.btn:disabled{opacity:.6;cursor:wait}

/* hero */
.hero{padding:clamp(3rem,8vw,6rem) 0;background:radial-gradient(900px 400px at 85% 10%,#e6eaef 0,transparent 70%),radial-gradient(700px 400px at 0% 100%,#eef1f5 0,transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2rem;align-items:center}
.pill{display:inline-block;background:#fff;border:1px solid var(--border);color:var(--brand);font-weight:600;font-size:.82rem;padding:.35rem .9rem;border-radius:999px;margin-bottom:1.2rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:540px}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.6rem}
.hero-art{display:flex;justify-content:center}
.brand-panel{width:min(440px,90vw);aspect-ratio:1320/720;background:#38424c;border-radius:24px;display:grid;place-items:center;box-shadow:0 30px 60px -25px rgba(15,23,42,.45);animation:float 6s ease-in-out infinite}
.brand-panel img{width:62%;height:auto}
.cube-wrap{position:relative;width:min(340px,80vw);animation:float 5s ease-in-out infinite;filter:drop-shadow(0 30px 30px rgba(15,23,42,.18))}
.nozzle{position:absolute;left:50%;top:-34px;transform:translateX(-50%);width:26px;height:34px;background:#0f172a;border-radius:4px 4px 12px 12px}
.nozzle i{position:absolute;left:50%;bottom:-8px;width:3px;height:10px;background:var(--brand-2);transform:translateX(-50%);border-radius:2px}
@keyframes float{50%{transform:translateY(-12px)}}

/* sections */
.section{padding:clamp(3.5rem,8vw,6rem) 0}
.section.alt{background:var(--bg-alt)}
.section-head{max-width:620px;margin-bottom:2.5rem}
.section-head p{color:var(--muted)}
.eyebrow{display:block;color:var(--brand);font-weight:700;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.7rem}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.2rem}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.7rem;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-5px);box-shadow:0 20px 40px -20px rgba(15,23,42,.25)}
.card p{color:var(--muted);margin:0}
.icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#e9edf2,#f3f5f8);display:grid;place-items:center;margin-bottom:1rem}
.icon svg{width:24px;height:24px;fill:none;stroke:var(--brand);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.split{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.ticks{list-style:none;padding:0;margin:1.2rem 0 0}
.ticks li{position:relative;padding-left:2rem;margin-bottom:.7rem}
.ticks li::before{content:"";position:absolute;left:0;top:.3rem;width:1.2rem;height:1.2rem;border-radius:50%;background:var(--brand) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E") center/70% no-repeat}
.stat-panel{display:grid;gap:1rem}
.stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.3rem 1.6rem;display:flex;align-items:baseline;gap:1rem}
.stat b{font-size:1.8rem;font-weight:800;color:var(--brand)}
.stat span{color:var(--muted)}

.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem}
.steps li{position:relative}
.steps p{color:var(--muted)}
.num{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--text);color:#fff;font-weight:700;margin-bottom:1rem}

/* contact */
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:3rem;align-items:start}
.form{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.8rem;box-shadow:0 20px 50px -30px rgba(15,23,42,.3)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
label{display:block;font-weight:600;font-size:.88rem;margin-bottom:1rem}
label small{font-weight:400;color:var(--muted)}
input,select,textarea{display:block;width:100%;margin-top:.4rem;padding:.8rem 1rem;border:1.5px solid var(--border);border-radius:10px;font:inherit;font-weight:400;background:#fff;color:var(--text);transition:border .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px rgba(56,66,76,.14)}
textarea{resize:vertical}
/* file upload */
.upload{margin-bottom:1rem}
.upload-label{display:block;font-weight:600;font-size:.88rem;margin-bottom:.4rem}
.upload-label small{font-weight:400;color:var(--muted)}
.dropzone{display:flex;flex-direction:column;align-items:center;gap:.3rem;text-align:center;padding:1.4rem 1rem;border:2px dashed var(--border);border-radius:12px;background:var(--bg-alt);cursor:pointer;font-weight:400;margin:0;transition:border-color .15s,background .15s}
.dropzone:hover,.dropzone.drag{border-color:var(--brand);background:#eef1f5}
.dropzone input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.dropzone svg{width:28px;height:28px;fill:none;stroke:var(--brand);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.dropzone b{color:var(--brand)}
.dropzone small{color:var(--muted);font-size:.8rem}
.file-list{list-style:none;padding:0;margin:.6rem 0 0}
.file-list li{display:flex;justify-content:space-between;align-items:center;gap:.5rem;font-size:.88rem;padding:.45rem .7rem;border:1px solid var(--border);border-radius:8px;margin-bottom:.4rem}
.file-list li span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-list button{background:none;border:0;color:var(--muted);cursor:pointer;font-size:1.1rem;line-height:1}
.file-list button:hover{color:#b91c1c}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
#form-status{margin:1rem 0 0;font-weight:600;min-height:1.4em}
#form-status.ok{color:#15803d}#form-status.err{color:#b91c1c}

.center-head{margin-left:auto;margin-right:auto;text-align:center}
.faq details{background:#fff;border:1px solid var(--border);border-radius:12px;margin-bottom:.75rem;transition:box-shadow .2s}
.faq details[open]{box-shadow:0 14px 30px -20px rgba(15,23,42,.3)}
.faq summary{cursor:pointer;list-style:none;padding:1.1rem 3rem 1.1rem 1.3rem;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:1.3rem;top:50%;transform:translateY(-50%);font-size:1.4rem;font-weight:400;color:var(--brand-2);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 1.3rem 1.2rem;margin:0;color:var(--muted)}
.social{display:inline-flex;align-items:center;gap:.5rem;color:var(--text);font-weight:600;text-decoration:none;border:1.5px solid var(--border);border-radius:999px;padding:.55rem 1.1rem;margin-top:.4rem}
.social:hover{border-color:var(--brand);background:var(--bg-alt)}
.social svg{width:18px;height:18px;fill:var(--brand)}
.site-footer{border-top:1px solid var(--border);padding:1.6rem 0;color:var(--muted);font-size:.9rem}
.foot{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.foot a{color:var(--muted);text-decoration:none}.foot a:hover{color:var(--brand)}

@media (max-width:860px){
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .hero-art{order:-1;margin-top:1.5rem}
  .brand-panel{width:min(440px,90vw);aspect-ratio:1320/720;background:#38424c;border-radius:24px;display:grid;place-items:center;box-shadow:0 30px 60px -25px rgba(15,23,42,.45);animation:float 6s ease-in-out infinite}
.brand-panel img{width:62%;height:auto}
.brand-panel{width:min(340px,88vw)}
  .row{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .nav-links{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:1.2rem 4%;gap:1rem;border-bottom:1px solid var(--border);display:none}
  .nav-links.open{display:flex}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem}
.gallery-item{position:relative;margin:0;border-radius:var(--radius);overflow:hidden;background:#e6eaef;aspect-ratio:4/3;cursor:zoom-in;border:0;padding:0;display:block;width:100%;box-shadow:0 10px 30px -18px rgba(15,23,42,.35)}
.gallery-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.gallery-item:hover img{transform:scale(1.05)}
.gallery-item span{position:absolute;left:0;right:0;bottom:0;padding:1.6rem .9rem .7rem;color:#fff;font-size:.9rem;font-weight:500;text-align:left;background:linear-gradient(transparent,rgba(38,45,52,.85))}
.gallery-empty{text-align:center;color:var(--muted);background:#fff;border:1px dashed #c9d2dd;border-radius:var(--radius);padding:2rem}
.gallery-empty a{color:var(--brand);font-weight:600}
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(15,20,26,.92);display:flex;align-items:center;justify-content:center;padding:4vh 4vw}
.lightbox[hidden]{display:none}
.lightbox figure{margin:0;text-align:center;max-width:100%}
.lightbox img{max-width:88vw;max-height:80vh;border-radius:10px;display:block;margin:0 auto}
.lightbox figcaption{color:#e6eaef;margin-top:.8rem;font-size:.95rem}
.lightbox button{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;border-radius:999px;width:48px;height:48px;font-size:2rem;line-height:1;cursor:pointer}
.lightbox button:hover{background:rgba(255,255,255,.25)}
.lb-close{top:16px;right:16px}
.lb-prev{left:16px;top:50%;transform:translateY(-50%)}
.lb-next{right:16px;top:50%;transform:translateY(-50%)}
@media(max-width:640px){.gallery-grid{grid-template-columns:1fr 1fr;gap:.6rem}.gallery-item span{font-size:.78rem;padding:1.2rem .6rem .5rem}.lb-prev,.lb-next{top:auto;bottom:16px;transform:none}}