:root{
  --bg: #f8fbff;
  --panel: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --accent: #22d3ee;
  --accent-2: #2563eb;
  --ring: #e5e7eb;
  --card: #ffffff;
  --border: #e5e7eb;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial}
a{color:var(--accent-2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{width:min(1100px,90%);margin:0 auto}
.center{text-align:center}
.small{font-size:.9rem}
.muted{color:var(--muted)}
.lead{font-size:1.125rem;color:#334155}

.site-header{position:sticky;top:0;background:rgba(255,255,255,.8);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--border);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.logo{height:34px}
.logo-sm{height:28px}
.nav{display:flex;gap:18px;align-items:center}
.nav a{padding:8px 10px;border-radius:999px}
.nav a:hover{background:rgba(15,23,42,.04);text-decoration:none}
.hamburger{display:none;background:none;border:0;cursor:pointer}
.hamburger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:1px}

.page{padding-top:30px}

.btn{display:inline-block;padding:10px 16px;border:1px solid #0f172a;border-radius:12px;background:#0c1426;color:var(--ink);font-weight:600}
.btn:hover{background:#0f1a2e;text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#0a0f1d;border:0}
.btn-primary:hover{filter:brightness(1.05)}
.btn-inverse{background:#0f172a;color:#0a0f1d;border:0}

.hero{padding:60px 0 30px;background:radial-gradient(1200px 500px at 20% -10%, #1f2937 0,var(--bg) 55%);}
.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center}
.hero h1{font-size:2.4rem;line-height:1.2;margin:0 0 12px}
.cta-row{display:flex;gap:12px;margin:18px 0}
.trust-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.badge{background:#ffffff;border:1px solid #0f172a;padding:6px 10px;border-radius:999px;font-weight:600;color:#334155}

.section{padding:48px 0}
.section.alt{background:var(--bg);border-top:1px solid #0f172a;border-bottom:1px solid var(--border)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:var(--card);border:1px solid #0f172a;padding:16px;border-radius:16px}
.card h3{margin-top:0}

.split{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;align-items:center}
.checklist{list-style:none;padding:0;margin:12px 0}
.checklist li{margin:6px 0;padding-left:24px;position:relative}
.checklist li::before{content:'✔';position:absolute;left:0;top:0;color:var(--accent)}

.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0 6px}
.project{border:1px solid #0f172a;border-radius:16px;background:var(--card);overflow:hidden;display:block}
.project img{aspect-ratio:16/9;object-fit:cover}
.project-meta{padding:12px}
.project-meta h4{margin:0 0 6px}

.project-detail{display:grid;grid-template-columns:180px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--border)}
.project-detail .thumb{border-radius:10px;border:1px solid #0f172a;background:#ffffff}

.pill-note{background:#ffffff;border:1px dashed #0f172a;padding:12px 14px;border-radius:12px;margin-top:12px}

.cta{background:linear-gradient(135deg,#ffffff,var(--bg));border-top:1px solid #0f172a}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0}

.site-footer{padding:24px 0;border-top:1px solid #0f172a;background:var(--bg);margin-top:30px}
.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-bottom:12px}
.footer-grid h4{margin:.2rem 0}

.contact-form{display:grid;gap:12px;margin:18px 0}
.field label{display:block;font-size:.95rem;margin-bottom:6px;color:#334155}
.field input,.field textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid #0f172a;background:#ffffff;color:var(--ink)}

.hero-art{filter:drop-shadow(0 10px 30px rgba(0,0,0,.1))}

@media (max-width: 900px){
  .features-grid{grid-template-columns:1fr 1fr}
  .projects-grid{grid-template-columns:1fr 1fr}
  .split, .hero-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .nav{display:none;position:absolute;right:5%;top:60px;flex-direction:column;background:var(--bg);border:1px solid #0f172a;padding:12px;border-radius:12px}
  .hamburger{display:block}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:8px;font-size:0.9rem}
}


/* Light theme helpers */
.button,.btn{color:#ffffff;background:var(--accent-2);border:1px solid transparent}
.button:hover,.btn:hover{filter:brightness(0.95)}
.card,.panel{background:var(--card);border:1px solid var(--border);box-shadow:0 6px 24px rgba(2,6,23,.08)}
.section{background:transparent}
.header,.topbar,footer{background:var(--panel)}
.nav a{color:var(--ink)}
.text-muted{color:var(--muted)}


/* Contrast fixes for light theme */
h1,h2,h3,h4,h5,h6{color:var(--ink)}
p,li,small,span{color:var(--ink)}
.lead,.subtitle{color:#1f2937}
.muted,.text-muted{color:#475569}
.field label{color:#334155}

/* Global text color hardening for light theme */
body, p, li, dt, dd, small, span, td, th { color: var(--ink); }
h1,h2,h3,h4,h5,h6 { color: var(--ink); }
.section, .panel, .card { color: var(--ink); background: var(--card); border:1px solid var(--border); box-shadow:0 8px 28px rgba(2,6,23,.06); }
.badge { background: rgba(37, 99, 235, .08); color: #1e3a8a; border: 1px solid rgba(37,99,235,.15); }
.btn { color: var(--ink); background: #ffffff; border:1px solid var(--border); }
.btn.btn-primary { background: var(--accent-2); color: #ffffff; border-color: transparent; }
footer { background: #ffffff; color: var(--ink); border-top:1px solid var(--border); }

/* Fix button hover visibility */
.btn:hover { background: #f1f5f9; color: var(--ink); border:1px solid var(--border); }
.btn.btn-primary:hover { background: #1d4ed8; color: #ffffff; filter:none; }
.header-inner .btn.btn-primary:hover { background:#2563eb; color:#ffffff; }


/* Hover fixes (accessibility + contrast) */
.btn { transition: background .15s ease, border-color .15s ease, color .15s ease; }
.btn:hover { background: rgba(37,99,235,.06); color: var(--ink); border-color: #cbd5e1; text-decoration: none; }

/* Primary buttons stay blue; darken slightly on hover while keeping white text */
.btn.btn-primary { background: var(--accent-2); color:#ffffff; border-color: transparent; }
.btn.btn-primary:hover { background: #1d4ed8; color:#ffffff; border-color: transparent; text-decoration: none; }

/* Header Contact button variant (if styled as .btn-primary or .btn) */
.header .btn, .site-header .btn { background:#ffffff; color: var(--ink); border:1px solid var(--border); }
.header .btn:hover, .site-header .btn:hover { background: rgba(37,99,235,.06); color: var(--ink); border-color:#cbd5e1; }
.header .btn.btn-primary, .site-header .btn.btn-primary { background: var(--accent-2); color:#ffffff; border-color: transparent; }
.header .btn.btn-primary:hover, .site-header .btn.btn-primary:hover { background:#1d4ed8; color:#ffffff; }

/* Remove any inherited "turn black" hover from legacy rules */
.btn:hover, .btn.btn-primary:hover { filter:none; }

/* Brand text next to logo */
.brand{display:flex;gap:10px;align-items:center}
.brand-name{font-weight:800;color:var(--ink);letter-spacing:.2px}
.brand-footer{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.site-footer .logo-sm{height:28px}