:root{
  --bg:#ffffff;
  --text:#0b0b0b;
  --muted:#666666;
  --border:#e9e9e9;
  --radius:12px;
  --max-width:1200px;
  --accent:#000000;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:Montserrat,Inter,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
.container{max-width:var(--max-width);margin:0 auto;padding:28px}
.topbar{position:sticky;top:0;z-index:60;border-bottom:1px solid var(--border)}
.topbar.topbar-dark{background:#0b0b0b;color:#fff}
.topbar.topbar-dark .brand span{color:#fff}
.topbar.topbar-dark nav a{color:#ddd}
.topbar .container{display:flex;align-items:center;gap:20px}
.brand{font-weight:700;font-size:18px;letter-spacing:0.4px}
.brand span{color:var(--accent)}
nav{margin-left:auto;display:flex;gap:18px}
nav a{color:var(--text);text-decoration:none;font-weight:600}
.btn, .btn-outline, .link-more{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:10px;border:0;cursor:pointer;font-weight:600;font-size:14px;transition:all .28s cubic-bezier(.2,.9,.2,1)}
.btn{background:#000;color:#fff;box-shadow:0 6px 20px rgba(0,0,0,0.06)}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(0,0,0,0.08)}
.btn.ghost{background:transparent;border:1px solid #000;color:#000}
.btn-outline{background:transparent;border:1px solid #000;color:#000}
.btn.disabled, .btn-outline.disabled{opacity:0.4;cursor:default}
.hero{padding:52px 0}
.hero-grid{display:grid;grid-template-columns:1fr 440px;gap:36px;align-items:center}
.hero-left h1{font-size:44px;margin:0 0 12px}
.hero-left p{color:var(--muted);max-width:62%}
.cta-row{margin-top:18px;display:flex;gap:12px}
.stats{display:flex;gap:18px;justify-content:flex-end;margin-bottom:18px;color:var(--text)}
.stats .num{font-size:22px;font-weight:700}
.stats .label{font-size:12px;color:var(--muted)}
.mockup{padding:12px;border-radius:12px;border:1px solid var(--border)}
.section{padding:48px 0}
.highlight{background:#fafafa;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:18px}
.card{background:#fff;padding:18px;border-radius:12px;border:1px solid var(--border);box-shadow:0 6px 20px rgba(12,12,12,0.03)}
.card h3{margin:0 0 8px}
.card p{color:var(--muted);margin:0 0 12px}
.card .card-btn{background:#000;color:#fff;border:0;padding:8px 12px;border-radius:10px;text-decoration:none}
.link-more{color:#000;text-decoration:none;font-weight:700}
.legend-grid{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}
.panel{background:#fff;padding:18px;border:1px solid var(--border)}
.small{font-size:14px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.faq{background:#fff;padding:14px;border-radius:12px;border:1px solid var(--border)}
.footer{padding:18px 0;border-top:1px solid var(--border);margin-top:30px;background:#fff}
.foot-grid{display:flex;justify-content:space-between;align-items:center}
.muted{color:var(--muted)}
.lead{font-weight:600}
.small{font-size:13px}

/* Modal */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(11,11,11,0.45);z-index:120}
.modal-content{background:#fff;padding:20px;border-radius:12px;max-width:820px;width:calc(100% - 40px);border:1px solid var(--border);position:relative}
.modal-close{background:transparent;border:0;color:var(--muted);font-size:20px;position:absolute;right:22px;top:18px;cursor:pointer}
.stylized-image{margin-top:18px;border-radius:12px;overflow:hidden;border:1px solid var(--border)}

/* --- Form Notion-like (Form C) --- */
.form-card{background:#fff;border:1px solid var(--border);padding:18px;border-radius:12px;max-width:520px}
.field{position:relative;margin-bottom:18px}
.field input, .field textarea{width:100%;padding:18px 12px 8px 12px;border:1px solid var(--border);border-radius:8px;font-size:15px;background:transparent}
.field label{position:absolute;left:12px;top:14px;color:var(--muted);font-size:13px;pointer-events:none;transition:all .18s ease}
.field input:focus + label, .field textarea:focus + label,
.field input:not(:placeholder-shown) + label, .field textarea:not(:placeholder-shown) + label{
  transform:translateY(-10px) scale(.92);
  color:var(--text);
}
.form-actions{display:flex;gap:8px;align-items:center}
.toast{position:fixed;right:20px;bottom:20px;background:#000;color:#fff;padding:12px 16px;border-radius:10px;box-shadow:0 8px 30px rgba(0,0,0,0.12);opacity:0;transform:translateY(8px);transition:all .28s ease}
.toast.show{opacity:1;transform:translateY(0)}

/* Animations (A: soft & clean) */
.fade-up{opacity:0;transform:translateY(10px);animation:fadeUp .7s forwards}
.fade-left{opacity:0;transform:translateX(8px);animation:fadeLeft .7s forwards}
.fade-in{opacity:0;animation:fadeIn .7s forwards}
.delay-05{animation-delay:.18s}
.delay-1{animation-delay:.36s}
@keyframes fadeUp{to{opacity:1;transform:none}}
@keyframes fadeLeft{to{opacity:1;transform:none}}
@keyframes fadeIn{to{opacity:1}}

/* responsiveness */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-left p{max-width:100%}
  .legend-grid{grid-template-columns:1fr}
  nav{display:none}
}