/* Filsonite Software Development Inc. */
:root {
  --navy-900: #0b1626;
  --navy-800: #11223a;
  --navy-700: #1a3152;
  --accent: #1fb6a6;
  --accent-dark: #148a7e;
  --ink: #1d2733;
  --muted: #5b6878;
  --line: #e3e8ee;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --radius: 10px;
  --max: 1140px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 22, 38, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; letter-spacing: 0.2px; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #2f7de1);
  display: grid; place-items: center; font-weight: 800; color: #fff; font-size: 18px;
}
.brand small { display: block; font-weight: 500; font-size: 11px; color: #9fb0c6; letter-spacing: 1.2px; text-transform: uppercase; }
.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: #cdd7e4; font-size: 15px; font-weight: 500; display: inline-block; padding: 12px 0; }
.nav-links a:hover { color: #fff; text-decoration: none; }
.nav-toggle {
  display: none; background: none; border: 0; color: #fff; font-size: 26px; cursor: pointer;
  width: 44px; height: 44px; margin-right: -8px; border-radius: 8px; line-height: 1;
}
.nav-toggle:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Hero */
.hero {
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(31,182,166,0.25), transparent 60%),
    radial-gradient(800px 400px at -10% 110%, rgba(47,125,225,0.22), transparent 60%),
    var(--navy-900);
  color: #fff;
  padding: 110px 0 100px;
}
.eyebrow { color: var(--accent); font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; font-size: 13px; margin: 0 0 14px; }
.hero h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); line-height: 1.15; margin: 0 0 20px; max-width: 820px; font-weight: 800; }
.hero h1 span { color: var(--accent); }
.hero p.lead { font-size: 1.15rem; color: #b9c6d6; max-width: 680px; margin: 0 0 34px; }
.btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 26px; border-radius: 8px; font-weight: 600; font-size: 15px;
  transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { border: 1px solid rgba(255,255,255,0.3); color: #fff; }
.btn-ghost:hover { border-color: #fff; }

.tech-strip { margin-top: 60px; display: flex; flex-wrap: wrap; gap: 10px; }
.tech-strip span {
  font-size: 13px; color: #cdd7e4; border: 1px solid rgba(255,255,255,0.14);
  padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,0.03);
}

/* Sections */
section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin: 0 0 12px; line-height: 1.2; color: var(--navy-800); }
.section-head p { color: var(--muted); margin: 0; font-size: 1.05rem; }

.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(17,34,58,0.08); border-color: #d2dae4; }
.card h3 { margin: 14px 0 8px; font-size: 1.12rem; color: var(--navy-800); }
.card p { margin: 0; color: var(--muted); font-size: 0.97rem; }
.icon {
  width: 46px; height: 46px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(31,182,166,0.12); color: var(--accent-dark);
}
.icon svg { width: 24px; height: 24px; }

/* Industries */
.industries { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.industry {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; font-weight: 600; color: var(--navy-800); display: flex; align-items: center; gap: 12px;
}
.industry::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none; }

/* Projects */
.project { display: flex; flex-direction: column; }
.project .tag {
  align-self: flex-start; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
  color: var(--accent-dark); background: rgba(31,182,166,0.1); padding: 4px 10px; border-radius: 999px;
}
.project p { flex: 1; }
.project .visit {
  margin-top: 10px; font-weight: 600; font-size: 0.95rem;
  display: inline-flex; align-items: center; min-height: 44px; align-self: flex-start;
  overflow-wrap: anywhere;
}

/* About */
.about { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.about p { color: var(--muted); }
.checklist { list-style: none; padding: 0; margin: 24px 0 0; }
.checklist li { padding-left: 30px; position: relative; margin-bottom: 12px; }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent-dark); font-weight: 800;
}
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.stat { background: var(--navy-800); color: #fff; border-radius: var(--radius); padding: 28px; }
.stat strong { display: block; font-size: 1.9rem; color: var(--accent); line-height: 1.1; }
.stat span { color: #b9c6d6; font-size: 0.95rem; }
.stat:last-child:nth-child(odd) { grid-column: 1 / -1; }

/* Contact */
.contact { background: var(--navy-900); color: #fff; text-align: center; }
.contact h2 { color: #fff; font-size: clamp(1.7rem, 3vw, 2.3rem); margin: 0 0 14px; }
.contact p { color: #b9c6d6; max-width: 600px; margin: 0 auto 30px; font-size: 1.05rem; }
.contact .btns { justify-content: center; }

/* Footer */
.site-footer { background: #070f1b; color: #8496ad; font-size: 14px; padding: 26px 0; }
.site-footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.site-footer a { color: #b9c6d6; display: inline-block; padding: 11px 0; }
.site-footer .container { align-items: center; }

/* Responsive */
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4, .industries { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--navy-900); border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 14px 20px; }
  .hero { padding: 80px 0 70px; }
  section { padding: 64px 0; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
}
@media (max-width: 420px) {
  .industries { gap: 10px; }
  .industry { padding: 14px; font-size: 0.92rem; gap: 10px; }
  .stats { gap: 12px; }
  .stat { padding: 20px 16px; }
  .stat strong { font-size: 1.3rem; }
  .stat span { font-size: 0.85rem; }
  .hero .btns .btn { flex: 1 1 auto; text-align: center; }
  .site-footer .container { flex-direction: column; text-align: center; gap: 0; }
}