:root{
  --primary-blue:#0052CC; --primary-blue-dark:#003D99; --accent-blue:#E6F2FF;
  --text-primary:#091E42; --text-secondary:#5E6C84;
  --surface-white:#FFFFFF; --surface-light:#F7F9FC; --surface-dark:#0B1426;
  --border-light:#DFE1E6;
  --radius:12px; --radius-lg:16px;
  --shadow-sm:0 1px 3px rgba(9,30,66,.08);
  --shadow-md:0 4px 12px rgba(9,30,66,.12);
  --shadow-lg:0 8px 32px rgba(9,30,66,.16);
  --max:1200px; --pad:clamp(3rem,8vw,6rem);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text-primary);background:var(--surface-white);line-height:1.6}
.container{max-width:var(--max);margin:0 auto;padding:0 1.5rem}

h1,h2,h3{font-weight:700;letter-spacing:-.02em;line-height:1.2}
h1{font-size:clamp(2.5rem,4vw,3.5rem)}
h2{font-size:clamp(1.875rem,3vw,2.25rem)}
h3{font-size:clamp(1.25rem,2vw,1.5rem)}
.lead{font-size:1.125rem;color:var(--text-secondary)}

/* Header/Nav */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light)}
.nav-container{max-width:var(--max);margin:0 auto;padding:1rem 1.5rem;display:flex;align-items:center;justify-content:space-between}
.nav-brand{display:flex;align-items:center;text-decoration:none;color:inherit}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:.5rem}
.nav-toggle span{width:24px;height:2px;background:var(--text-primary)}
.nav-menu{display:flex;list-style:none;gap:2rem;align-items:center}
.nav-menu a{color:var(--text-secondary);text-decoration:none;font-weight:500;padding:.5rem 0}
.nav-menu a:hover{color:var(--primary-blue)}
.nav-cta{background:var(--primary-blue);color:#fff!important;padding:.75rem 1.5rem!important;border-radius:12px;font-weight:700}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:.875rem 2rem;border-radius:12px;border:2px solid transparent;text-decoration:none;font-weight:700;cursor:pointer;transition:.2s}
.btn-primary{background:var(--primary-blue);color:#fff;border-color:var(--primary-blue)}
.btn-primary:hover{background:var(--primary-blue-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-secondary{background:#fff;color:var(--primary-blue);border-color:var(--primary-blue)}
.btn-secondary:hover{background:var(--accent-blue)}

/* Hero with one PNG */
.hero-simple{position:relative;overflow:hidden;padding:clamp(4rem,8vw,8rem) 0;text-align:center}
.hero-bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(1.05);z-index:0}
.hero-simple::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,20,38,.55) 0%,rgba(11,20,38,.25) 45%,rgba(11,20,38,.55) 100%);z-index:1}
.hero-layer{position:relative;z-index:2;color:#fff}
.hero-brand{display:flex;justify-content:center;margin-bottom:1.25rem}
.hero-logo{width:clamp(160px,24vw,280px);height:auto;filter:drop-shadow(0 6px 18px rgba(0,0,0,.2))}
.hero-subtitle{font-size:1.25rem;color:#E6EDF6;margin:1rem auto 2.5rem;max-width:800px}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* Showcase */
.showcase{background:var(--surface-light);padding:clamp(2.5rem,6vw,4rem) 0}
.showcase-grid{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.shot-img{width:100%;height:100%;object-fit:cover;border-radius:14px;box-shadow:0 8px 24px rgba(9,30,66,.12)}

/* Demos gallery (moved from showcase) */
.demos-gallery{display:grid;gap:16px;grid-template-columns:repeat(3,1fr);margin-bottom:1.5rem}
.demo-shot img{width:100%;height:100%;object-fit:cover;border-radius:14px;box-shadow:0 8px 24px rgba(9,30,66,.12)}

/* Sections */
.section{padding:var(--pad) 0}
.section-dark{background:var(--surface-dark);color:#fff}
.section-dark .section-subtitle{color:rgba(255,255,255,.85)}
.section-accent{background:var(--accent-blue)}
.section-header{text-align:center;margin-bottom:4rem;max-width:800px;margin-inline:auto}

/* Services */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem}
.service-card{background:#fff;border:1px solid var(--border-light);border-radius:16px;padding:2rem;box-shadow:var(--shadow-sm);transition:.2s}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-blue)}
.service-icon{font-size:2rem;margin-bottom:1rem;color:var(--primary-blue)}
.service-card p{color:var(--text-secondary);margin-bottom:1.25rem}
.service-features{list-style:none}
.service-features li{padding:.5rem 0 .5rem 1.5rem;color:var(--text-secondary);position:relative}
.service-features li::before{content:"✓";position:absolute;left:0;color:#00875A;font-weight:700}

/* Approach */
.approach-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}
.step{text-align:center;padding:2rem}
.step-number{display:inline-flex;align-items:center;justify-content:center;width:60px;height:60px;background:var(--primary-blue);color:#fff;font-size:1.25rem;font-weight:700;border-radius:50%;margin-bottom:1.25rem}
.step p{color:rgba(255,255,255,.85)}

/* About */
.about-content{display:grid;grid-template-columns:2fr 1fr;gap:4rem;align-items:center}
.credentials{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:1.5rem}
.credential span{color:var(--text-secondary);font-size:.9rem}
.about-logo img{max-width:220px;height:auto}

/* Contact */
.contact-content{max-width:800px;margin:0 auto}
.contact-text{text-align:center;margin-bottom:2rem}
.contact-form{background:#fff;border:1px solid var(--border-light);border-radius:16px;padding:2rem;box-shadow:var(--shadow-md)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-group{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1rem}
.form-group input,.form-group select,.form-group textarea{padding:1rem;border:2px solid var(--border-light);border-radius:12px;font:inherit;background:#fff;transition:border-color .2s,box-shadow .2s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px rgba(0,82,204,.1)}
.form-group textarea{resize:vertical;min-height:120px}
.honeypot{position:absolute!important;left:-10000px!important;opacity:0!important;pointer-events:none!important}
.form-actions{display:flex;align-items:center;gap:1rem;margin-top:.5rem}
#form-status{color:var(--text-secondary);font-size:.9rem}
.contact-footer{text-align:center;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border-light)}
.contact-footer a{color:var(--primary-blue);text-decoration:none;font-weight:700}
.contact-footer a:hover{text-decoration:underline}

/* Footer */
.footer{background:var(--surface-light);border-top:1px solid var(--border-light);padding:1.5rem 0}
.footer-content{display:flex;justify-content:space-between;align-items:center;gap:1rem}
.footer-brand{display:flex;align-items:center;gap:.75rem;color:var(--text-secondary)}

/* Responsive */
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:1rem;box-shadow:var(--shadow-lg);border-top:1px solid var(--border-light)}
  .nav-menu.open{display:flex}
  .about-content{grid-template-columns:1fr;text-align:center}
  .form-row{grid-template-columns:1fr}
  .showcase-grid{grid-template-columns:1fr}
  .demos-gallery{grid-template-columns:1fr}
}

/* Cases */
.case-card{background:#fff;border:1px solid var(--border-light);border-radius:16px;padding:1.5rem;margin-bottom:1.25rem;box-shadow:var(--shadow-sm)}
.case-card h3{margin-bottom:.5rem}
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem;margin-top:.75rem}

/* Repo list and tools */
.tools .muted{color:var(--text-secondary)}
.repo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem;margin-top:.75rem}
.repo-card{background:#fff;border:1px solid var(--border-light);border-radius:14px;padding:1rem;box-shadow:var(--shadow-sm)}
.repo-name{margin:0 0 .25rem 0}
.repo-desc{color:var(--text-secondary);min-height:2.6em}
.repo-meta{color:var(--text-secondary);font-size:.9rem;margin:.25rem 0 1rem}

/* Collapsible (details/summary) */
.acc{
  background:#fff;
  border:1px solid var(--border-light);
  border-radius:16px;
  box-shadow:var(--shadow-sm);
  margin:0 0 12px 0;
  overflow:hidden;
}
.acc[open]{box-shadow:var(--shadow-md)}
.acc-head{
  list-style:none;
  cursor:pointer;
  padding:1rem 1.25rem;
  font-weight:700;
  position:relative;
  outline:none;
}
.acc-head::-webkit-details-marker{display:none}
.acc-head::after{
  content:"▸";
  position:absolute;
  right:1rem; top:50%; transform:translateY(-50%) rotate(0deg);
  transition:transform .2s ease;
  color:var(--text-secondary);
}
.acc[open] .acc-head::after{transform:translateY(-50%) rotate(90deg)}
.acc-body{padding:1rem 1.25rem 1.25rem 1.25rem;border-top:1px solid var(--border-light)}
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}

/* Founder */
.founder{display:grid;grid-template-columns:1.1fr 1.6fr;gap:2.5rem;align-items:center}
.founder-photo{aspect-ratio:3/4;max-width:420px;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);justify-self:center}
.founder-photo img{width:100%;height:100%;object-fit:cover;display:block}
.founder-text .founder-highlights{list-style:none;margin-top:1rem}
.founder-text .founder-highlights li{padding:.5rem 0 .5rem 1.25rem;color:var(--text-secondary);position:relative}
.founder-text .founder-highlights li::before{content:"•";position:absolute;left:.25rem;color:var(--primary-blue);font-weight:700}

/* Demos */
.demos-wrap{display:grid;grid-template-columns:1fr;gap:1.25rem;max-width:820px;margin:0 auto}
.demo-card{background:#fff;border:1px solid var(--border-light);border-radius:16px;padding:1.5rem;box-shadow:var(--shadow-sm)}
.demo-badge{display:inline-block;background:var(--text-secondary);color:#fff;padding:.25rem .5rem;border-radius:6px;font-size:.8rem;margin-bottom:.5rem}
.demo-actions{display:flex;justify-content:center}

/* Free Assessment */
.assessment-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem}
.assessment-card{background:#fff;border:1px solid var(--border-light);border-radius:16px;padding:1.5rem;box-shadow:var(--shadow-sm)}
.assessment-list{list-style:none;margin-top:.5rem}
.assessment-list li{padding:.5rem 0 .5rem 1.25rem;color:var(--text-secondary);position:relative}
.assessment-list li::before{content:"–";position:absolute;left:.3rem;color:var(--primary-blue);font-weight:700}
.assessment-cta{margin-top:1rem}

/* Responsive */
@media (max-width:900px){
  .founder{grid-template-columns:1fr}
  .founder-photo{max-width:300px}
}