:root {
  --bg: #0a0e14;
  --bg-soft: #10151f;
  --bg-card: #141b28;
  --border: #1f2937;
  --text: #e6edf6;
  --text-dim: #8b98ab;
  --accent: #3ddc97;
  --accent-dim: #2aa876;
  --danger: #ff6b6b;
  --mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, "Inter", "Segoe UI", Roboto, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); line-height: 1.6; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; }

/* Nav */
nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,14,20,.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-family: var(--mono); font-weight: 700; font-size: 17px; color: var(--text); text-decoration: none; letter-spacing: -0.5px; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--text-dim); text-decoration: none; font-size: 14.5px; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.lang { font-family: var(--mono); font-size: 13px; color: var(--text-dim); border: 1px solid var(--border); padding: 4px 10px; border-radius: 6px; }

.btn {
  display: inline-block; padding: 13px 26px; border-radius: 8px;
  font-weight: 600; font-size: 15px; text-decoration: none; transition: all .2s;
  border: none; cursor: pointer; font-family: var(--sans);
}
.btn-primary { background: var(--accent); color: #06281c; }
.btn-primary:hover { background: #52e8a8; transform: translateY(-1px); }
.btn-ghost { color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 8px 18px; font-size: 14px; }

/* Hero */
.hero { padding: 120px 0 100px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 10%, rgba(61,220,151,.07), transparent),
    radial-gradient(ellipse 50% 40% at 20% 90%, rgba(61,220,151,.04), transparent);
  pointer-events: none;
}
.hero .wrap { position: relative; }
.kicker {
  font-family: var(--mono); font-size: 13px; color: var(--accent);
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 20px;
}
h1 { font-size: clamp(34px, 5.2vw, 58px); line-height: 1.12; letter-spacing: -1.5px; font-weight: 800; max-width: 800px; }
h1 em { font-style: normal; color: var(--accent); }
.hero p.sub { margin: 26px 0 36px; font-size: 19px; color: var(--text-dim); max-width: 640px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 16px; font-family: var(--mono); font-size: 12.5px; color: var(--text-dim); }

/* Inner page hero */
.page-hero { padding: 80px 0 56px; }
.page-hero h1 { font-size: clamp(30px, 4.4vw, 46px); }
.page-hero p.sub { margin-top: 18px; font-size: 18px; color: var(--text-dim); max-width: 640px; }

h2 { font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -0.8px; line-height: 1.2; margin-bottom: 14px; }
.section-sub { color: var(--text-dim); font-size: 17px; max-width: 620px; margin-bottom: 48px; }

/* Pain */
.pain { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.pain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-bottom: 40px; }
.pain-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  padding: 22px; font-size: 15.5px; color: var(--text-dim);
}
.pain-card::before { content: "✗ "; color: var(--danger); font-family: var(--mono); font-weight: 700; }
.pain-punch { font-size: 20px; font-weight: 700; max-width: 720px; }
.pain-punch em { font-style: normal; color: var(--accent); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.step { border: 1px solid var(--border); border-radius: 12px; padding: 28px; background: var(--bg-card); }
.step .num { font-family: var(--mono); color: var(--accent); font-size: 14px; margin-bottom: 12px; }
.step h3 { font-size: 19px; margin-bottom: 10px; }
.step p { color: var(--text-dim); font-size: 15px; }

/* Services */
.svc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.svc {
  border: 1px solid var(--border); border-radius: 12px; padding: 30px;
  background: var(--bg-card); transition: border-color .2s, transform .2s;
  text-decoration: none; color: var(--text); display: block;
}
.svc:hover { border-color: var(--accent-dim); transform: translateY(-3px); }
.svc.flagship { border-color: var(--accent-dim); position: relative; }
.svc.flagship::after {
  content: "FLAGSHIP"; position: absolute; top: 14px; right: 14px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 1px;
  color: var(--accent); border: 1px solid var(--accent-dim); border-radius: 4px; padding: 3px 7px;
}
.svc h3 { font-size: 19px; margin-bottom: 10px; }
.svc p { color: var(--text-dim); font-size: 15px; }

/* Service detail blocks */
.svc-detail { border: 1px solid var(--border); border-radius: 12px; padding: 36px; background: var(--bg-card); margin-bottom: 24px; }
.svc-detail.flagship { border-color: var(--accent-dim); }
.svc-detail h3 { font-size: 24px; margin-bottom: 6px; }
.svc-detail .for { font-family: var(--mono); font-size: 13px; color: var(--accent); margin-bottom: 16px; }
.svc-detail p { color: var(--text-dim); margin-bottom: 14px; }
.svc-detail ul { color: var(--text-dim); padding-left: 20px; margin-bottom: 6px; }
.svc-detail li { margin-bottom: 6px; }
.svc-detail .stack { font-family: var(--mono); font-size: 13px; color: var(--text-dim); border-top: 1px solid var(--border); padding-top: 14px; margin-top: 8px; }
.svc-detail .stack b { color: var(--accent); font-weight: 600; }

/* Proof */
.proof { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.proof-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; text-align: center; }
.stat .n { font-family: var(--mono); font-size: clamp(30px, 4vw, 44px); font-weight: 700; color: var(--accent); }
.stat .l { color: var(--text-dim); font-size: 14.5px; margin-top: 6px; }

/* Cases */
.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.case {
  border: 1px solid var(--border); border-radius: 12px; padding: 30px; background: var(--bg-card);
  display: flex; flex-direction: column; text-decoration: none; color: var(--text);
  transition: border-color .2s, transform .2s;
}
.case:hover { border-color: var(--accent-dim); transform: translateY(-3px); }
.case .tag { font-family: var(--mono); font-size: 12px; color: var(--accent); margin-bottom: 14px; text-transform: uppercase; letter-spacing: 1px; }
.case h3 { font-size: 19px; margin-bottom: 10px; }
.case p { color: var(--text-dim); font-size: 15px; flex: 1; }
.case .more { margin-top: 18px; font-family: var(--mono); font-size: 13px; color: var(--accent); }

/* Case study article */
.case-study { border: 1px solid var(--border); border-radius: 14px; padding: 44px; background: var(--bg-card); margin-bottom: 32px; }
.case-study .tag { font-family: var(--mono); font-size: 12px; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
.case-study h2 { margin-bottom: 20px; }
.case-study .meta { display: flex; flex-wrap: wrap; gap: 10px 26px; font-family: var(--mono); font-size: 13px; color: var(--text-dim); border: 1px solid var(--border); border-radius: 8px; padding: 14px 18px; margin-bottom: 26px; }
.case-study .meta b { color: var(--text); font-weight: 600; }
.case-study h4 { font-size: 17px; margin: 26px 0 10px; color: var(--accent); }
.case-study p, .case-study ul { color: var(--text-dim); font-size: 15.5px; margin-bottom: 12px; }
.case-study ul { padding-left: 20px; }
.case-study li { margin-bottom: 6px; }
.case-results { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin: 20px 0 6px; }
.case-results .r { border: 1px solid var(--border); border-radius: 10px; padding: 16px; text-align: center; }
.case-results .r .n { font-family: var(--mono); font-size: 24px; font-weight: 700; color: var(--accent); }
.case-results .r .l { font-size: 13px; color: var(--text-dim); margin-top: 4px; }

/* About */
.about-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 40px; }
.value { border: 1px solid var(--border); border-radius: 12px; padding: 28px; background: var(--bg-card); }
.value h3 { font-size: 18px; margin-bottom: 8px; }
.value p { color: var(--text-dim); font-size: 15px; }
.prose { color: var(--text-dim); font-size: 17px; max-width: 720px; }
.prose p { margin-bottom: 16px; }
.prose b, .prose strong { color: var(--text); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }
.form-card { border: 1px solid var(--border); border-radius: 14px; padding: 36px; background: var(--bg-card); }
.form-card h3 { margin-bottom: 20px; }
.form-card label { display: block; font-size: 13.5px; color: var(--text-dim); margin: 16px 0 6px; font-family: var(--mono); }
.form-card input, .form-card textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 14px; color: var(--text); font-family: var(--sans); font-size: 15px;
}
.form-card input:focus, .form-card textarea:focus { outline: none; border-color: var(--accent-dim); }
.form-card button { margin-top: 22px; width: 100%; }
.contact-info { padding-top: 8px; }
.contact-info h3 { margin-bottom: 14px; }
.contact-info p { color: var(--text-dim); margin-bottom: 20px; }
.contact-info .line { font-family: var(--mono); font-size: 14px; color: var(--text-dim); margin-bottom: 10px; }
.contact-info .line a { color: var(--accent); text-decoration: none; }

/* CTA */
.cta-final { text-align: center; }
.cta-final h2 { max-width: 760px; margin: 0 auto 14px; }
.cta-final p { color: var(--text-dim); margin-bottom: 32px; }

footer { border-top: 1px solid var(--border); padding: 40px 0; }
.foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; color: var(--text-dim); font-size: 14px; }
.foot a { color: var(--text-dim); text-decoration: none; }
.foot a:hover { color: var(--accent); }

@media (max-width: 640px) {
  .nav-links a:not(.btn):not(.lang) { display: none; }
  section { padding: 64px 0; }
  .hero { padding: 80px 0 64px; }
  .case-study { padding: 28px; }
}