/* ==========================================================================
   LowCode Systems — site stylesheet
   No framework, no build step. Plain CSS with custom properties.
   ========================================================================== */

:root {
  --navy: #05070f;
  --ink: #0c1222;
  --accent: #5b5ff0;
  --accent-dark: #4038c7;
  --teal: #22d3ee;
  --bg: #f6f7fb;
  --surface: #ffffff;
  --text: #111827;
  --muted: #667085;
  --border: #e6e8f0;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(16,23,42,.04), 0 8px 28px rgba(16,23,42,.07);
  --glow: 0 0 0 1px rgba(91,95,240,.10), 0 12px 32px rgba(91,95,240,.14);
  --maxw: 1160px;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-head: "Space Grotesk", "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    linear-gradient(rgba(16,23,42,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,23,42,.03) 1px, transparent 1px),
    var(--bg);
  background-size: 44px 44px, 44px 44px, 100%;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.18; margin: 0 0 .5em; font-weight: 600; letter-spacing: -0.015em; }
p { margin: 0 0 1em; color: var(--muted); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section-tight { padding: 56px 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 16px; height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--teal));
}

.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(28px, 3.5vw, 38px); }
.section-head p { font-size: 17px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 20px rgba(91,95,240,.35); }
.btn-primary:hover { background: var(--accent-dark); box-shadow: 0 8px 26px rgba(91,95,240,.45); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-on-dark { background: #fff; color: var(--ink); }
.btn-on-dark:hover { background: #e9e9ff; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247,247,251,.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 700; font-size: 19px; color: var(--ink); letter-spacing: -.01em; }
.brand-logo { height: 36px; width: auto; display: block; }
.brand-logo-sm { height: 30px; width: auto; display: block; }
.brand-logo-plate {
  display: inline-flex; align-items: center;
  background: #fff; padding: 8px 12px; border-radius: 10px;
  margin-bottom: 16px;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--ink); opacity: .8; }
.nav-links a:hover, .nav-links a.active { opacity: 1; color: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: 18px; }
.nav-toggle {
  display: none;
  width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface); cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 4px auto; }

/* Hero */
.hero {
  padding: 96px 0 72px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(91,95,240,.14), transparent 60%),
    radial-gradient(700px 350px at -5% 10%, rgba(34,211,238,.12), transparent 60%);
}
.hero::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(91,95,240,.35), rgba(34,211,238,.35), transparent);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(34px, 5vw, 54px); color: var(--ink); }
.hero p.lead { font-size: 18px; max-width: 520px; }
.hero-cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 36px; margin-top: 48px; }
.stat b { display: block; font-family: var(--font-head); font-size: 30px; font-weight: 600; color: var(--ink); }
.stat span { font-size: 14px; color: var(--muted); }

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.hero-card .tile {
  display: flex; align-items: center; gap: 14px;
  padding: 14px; border-radius: 12px; background: var(--bg);
  margin-bottom: 12px;
}
.hero-card .tile:last-child { margin-bottom: 0; }
.hero-card .tile .icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: #fff; border: 1px solid var(--border); flex-shrink: 0;
}
.hero-card .tile strong { display: block; font-size: 14.5px; color: var(--ink); }
.hero-card .tile small { color: var(--muted); font-size: 13px; }

/* Grids / cards */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.card:hover { box-shadow: var(--glow); transform: translateY(-3px); border-color: rgba(91,95,240,.35); }
.card .icon {
  width: 46px; height: 46px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  display: flex; align-items: center; justify-content: center; color: #fff;
  margin-bottom: 18px;
}
.card h3 { font-size: 18px; color: var(--ink); }
.card p { font-size: 15px; margin-bottom: 0; }
.card a.more { display: inline-block; margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--accent); }

/* Why-us / feature rows */
.feature-row { display: flex; gap: 16px; align-items: flex-start; padding: 18px 0; border-bottom: 1px solid var(--border); }
.feature-row:last-child { border-bottom: none; }
.feature-row .num { font-family: var(--font-mono); font-weight: 600; color: var(--accent); font-size: 14px; width: 30px; flex-shrink: 0; }
.feature-row h4 { font-size: 16px; color: var(--ink); margin-bottom: 4px; }
.feature-row p { font-size: 14.5px; margin: 0; }

/* Process steps */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process .step { position: relative; padding: 26px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); transition: border-color .2s ease; }
.process .step:hover { border-color: rgba(91,95,240,.35); }
.process .step .n { font-family: var(--font-mono); font-size: 26px; font-weight: 600; color: var(--teal); margin-bottom: 8px; opacity: .55; }
.process .step h4 { font-size: 15.5px; color: var(--ink); margin-bottom: 6px; }
.process .step p { font-size: 13.5px; margin: 0; }

/* Testimonials */
.quote-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.quote-card p { color: var(--text); font-size: 15.5px; }
.quote-person { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; flex-shrink: 0;
}
.quote-person strong { display: block; font-size: 14.5px; color: var(--ink); }
.quote-person span { font-size: 13px; color: var(--muted); }

/* Partners */
.partner-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.partner-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px; text-align: center; }
.partner-card b { display: block; font-size: 14.5px; color: var(--ink); margin-bottom: 6px; }
.partner-card span { font-size: 12.5px; color: var(--muted); }

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--ink), var(--accent-dark));
  color: #fff; border-radius: 24px; padding: 56px; text-align: center;
}
.cta-band h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); }
.cta-band p { color: rgba(255,255,255,.75); max-width: 520px; margin: 0 auto 24px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Breadcrumb / page header */
.page-hero {
  background: var(--ink);
  color: #fff;
  padding: 64px 0 48px;
}
.page-hero .crumb { font-size: 13.5px; color: rgba(255,255,255,.6); margin-bottom: 10px; }
.page-hero .crumb a { color: rgba(255,255,255,.85); }
.page-hero h1 { color: #fff; font-size: clamp(28px, 4vw, 40px); margin-bottom: 6px; }
.page-hero p { color: rgba(255,255,255,.7); max-width: 560px; margin: 0; }

/* Service detail blocks */
.service-block { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; padding: 64px 0; border-bottom: 1px solid var(--border); }
.service-block:last-child { border-bottom: none; }
.service-block.reverse { grid-template-columns: 1.1fr .9fr; }
.service-block.reverse .visual { order: 2; }
.service-visual {
  background: var(--surface); border: 1px solid var(--border); border-radius: 20px;
  padding: 32px; box-shadow: var(--shadow);
}
.tech-pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.tech-pill { padding: 8px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: 999px; font-family: var(--font-mono); font-size: 12.5px; font-weight: 500; color: var(--ink); }

/* Case studies */
.case-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.case-card .thumb {
  height: 160px;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 15px; text-align: center; padding: 16px;
}
.case-card .body { padding: 22px 22px 26px; flex: 1; display: flex; flex-direction: column; }
.case-card .tag { font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.case-card h3 { font-size: 17px; color: var(--ink); }
.case-card p { font-size: 14.5px; flex: 1; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; }
.contact-info .item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--border); }
.contact-info .item:last-child { border-bottom: none; }
.contact-info .item .icon {
  width: 40px; height: 40px; border-radius: 10px; background: var(--bg); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-info .item strong { display: block; color: var(--ink); font-size: 14.5px; }
.contact-info .item span, .contact-info .item a { font-size: 14.5px; color: var(--muted); }

.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border);
  font-family: inherit; font-size: 14.5px; background: var(--bg); color: var(--text);
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 10px; }
#form-status { font-size: 14px; margin-top: 12px; display: none; }
#form-status.ok { color: #067647; display: block; }
#form-status.err { color: #b42318; display: block; }

/* Footer */
.site-footer { background: var(--ink); color: rgba(255,255,255,.75); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 36px; margin-bottom: 40px; }
.site-footer h4 { color: #fff; font-size: 14.5px; margin-bottom: 16px; }
.site-footer p { color: rgba(255,255,255,.6); font-size: 14px; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer a { color: rgba(255,255,255,.65); font-size: 14px; }
.site-footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; display: flex; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,.5); flex-wrap: wrap; gap: 10px; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .partner-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-block, .service-block.reverse { grid-template-columns: 1fr; }
  .service-block.reverse .visual { order: 0; }
}
@media (max-width: 760px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; position: absolute; top: 76px; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 20px 24px; gap: 18px;
  }
  .grid-4, .grid-3, .grid-2, .process, .partner-row { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .cta-band { padding: 40px 24px; }
}