/* Cyber Developers — design system
   Professional B2B software engineering. Dark, restrained, technical. */

:root {
  --bg: #0b1220;
  --bg-2: #0e1626;
  --surface: #141c2e;
  --surface-2: #1a2438;
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.28);
  --text: #e8eef7;
  --muted: #94a3b8;
  --muted-2: #64748b;
  --accent: #4c7dff;
  --accent-2: #3b6af0;
  --accent-soft: rgba(76, 125, 255, 0.12);
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --shadow: none;
  --radius: 6px;
  --radius-sm: 4px;
  --container: 1180px;
  --nav-h: 76px;
  --font: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; color-scheme: dark; scroll-padding-top: 5.5rem; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  overflow-x: hidden;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea { font-family: inherit; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 2000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container {
  width: min(var(--container), calc(100% - 2.5rem));
  margin-inline: auto;
}

.eyebrow {
  display: block;
  color: var(--muted-2);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 0.7rem;
}

h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -0.03em; font-weight: 650; }
h1 { font-size: clamp(2.1rem, 4.2vw, 3.4rem); }
h2 { font-size: clamp(1.55rem, 2.8vw, 2.15rem); }
h3 { font-size: 1.12rem; }
p { color: var(--muted); }

.muted { color: var(--muted); }
.lead { font-size: 1.15rem; max-width: 42rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.35rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-2); }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover { border-color: var(--accent); background: var(--accent-soft); }
.btn-lg { padding: 1rem 1.7rem; font-size: 1.02rem; }
.btn-block { width: 100%; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  background: rgba(11, 18, 32, 0.86);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-h);
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: -0.04em;
  flex-shrink: 0;
}
.logo span { color: var(--accent); }
.logo small {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--muted-2);
  font-weight: 500;
  margin-top: 0.15rem;
  text-transform: none;
}
.logo-lockup { display: flex; flex-direction: column; line-height: 1.1; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.05rem;
}
.nav-links a {
  font-size: 0.92rem;
  color: var(--muted);
  font-weight: 500;
  padding: 0.35rem 0;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--text); }
.nav-cta { margin-left: 0.4rem; }
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 4px;
  cursor: pointer;
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
  margin: 0 auto;
}
.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }

/* Hero */
.hero {
  position: relative;
  padding: 4.5rem 0 3.2rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.75fr;
  gap: 4rem;
  align-items: start;
}
.hero h1 { margin-bottom: 1.1rem; font-size: clamp(2.5rem, 5vw, 4rem); }
.page-hero h1 { font-size: clamp(1.9rem, 3.5vw, 2.85rem); }
.hero .lead { margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-bottom: 2.2rem; }
.hero-note {
  font-size: 0.92rem;
  color: var(--muted-2);
  max-width: 34rem;
}

.hero-systems {
  border-left: 1px solid var(--border);
  padding-left: 1.6rem;
  margin-top: 0.4rem;
}
.hero-systems h2 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted-2);
  letter-spacing: 0.02em;
  margin-bottom: 0.9rem;
}
.hero-systems a {
  display: block;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-weight: 550;
}
.hero-systems a:hover { color: var(--accent); }
.hero-systems span { display: block; color: var(--muted-2); font-size: 0.85rem; font-weight: 400; margin-top: 0.15rem; }

/* Sections */
.section { padding: 3.6rem 0; }
.section-alt { background: var(--bg-2); }
.section-head {
  max-width: 40rem;
  margin-bottom: 2.6rem;
}
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-bottom: 0.8rem; }
.section-link {
  display: inline-flex;
  margin-top: 1.8rem;
  color: var(--accent);
  font-weight: 600;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.15rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.15rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }

.card {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 0 1.4rem;
  height: auto;
}
a.card { padding-right: 1rem; }
a.card:hover { color: inherit; }
.icon-box { display: none; }
.icon-box svg { width: 20px; height: 20px; }
.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: 0.95rem; }
.card .more { margin-top: 1rem; color: var(--accent); font-weight: 600; font-size: 0.9rem; }

.solution-card .tag,
.project-card .tag,
.article-card .tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.55rem;
}

.project-card { padding: 1.2rem 0; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; }
.project-card .visual { display: none; }
.project-card .body { padding: 0; }
.tech-pills { display: flex; flex-wrap: wrap; gap: 0.35rem 0.8rem; margin-top: 0.7rem; }
.tech-pills li {
  font-size: 0.85rem;
  color: var(--muted);
}

.row-list { display: grid; gap: 0; }
.row-list a, .row-list article {
  display: grid;
  grid-template-columns: minmax(12rem, 17rem) 1fr auto;
  gap: 1.4rem 2rem;
  align-items: baseline;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}
.row-list h3 { font-size: 1.05rem; }
.row-list p { margin: 0; }
.row-list .more { margin: 0; white-space: nowrap; color: var(--accent); font-weight: 600; font-size: 0.9rem; }
@media (max-width: 760px) {
  .row-list a, .row-list article { grid-template-columns: 1fr; gap: 0.35rem; }
}

.industry-item {
  display: inline;
  padding: 0;
  border: 0;
  background: none;
  border-radius: 0;
}
.industry-item svg { display: none; }
.industry-line {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.9;
}
.industry-line a { color: var(--text); border-bottom: 1px solid var(--border-strong); }
.industry-line a:hover { color: var(--accent); }

.process {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  counter-reset: step;
  max-width: 46rem;
}
.process li {
  background: none;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  padding: 0.95rem 0 0.95rem 3.2rem;
  min-height: 0;
  position: relative;
}
.process li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.95rem;
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 0.85rem;
}
.process h3 { font-size: 1.05rem; font-weight: 600; }
.process p { margin-top: 0.25rem; font-size: 0.95rem; }

.tech-row {
  display: block;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.8;
}
.tech-row span {
  border: 0;
  background: none;
  padding: 0;
  border-radius: 0;
  color: var(--text);
}
.tech-row span:not(:last-child)::after { content: " · "; color: var(--muted-2); }

.tech-inline {
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.7;
}
.shot-note {
  color: var(--muted-2);
  font-size: 0.95rem;
  max-width: 40rem;
}
.cta-band {
  background: none;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  padding: 2.4rem 0 0;
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 2rem;
  align-items: end;
}
.cta-band h2 { margin-bottom: 0.7rem; }
.cta-band .actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }

/* Page hero */
.page-hero { padding: 4.2rem 0 2.4rem; }
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted-2);
  margin-bottom: 1.2rem;
}
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--text); }

.prose { max-width: 46rem; }
.prose h2, .prose h3 { margin: 2rem 0 0.8rem; }
.prose p, .prose li { color: var(--muted); }
.prose ul, .prose ol { margin: 0.8rem 0 1.2rem 1.2rem; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin: 0.35rem 0; }
.prose a { color: var(--accent); }

.split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: start;
}

.feature-list { display: grid; gap: 0.7rem; }
.feature-list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 0.7rem;
  color: var(--muted);
}
.feature-list svg { color: var(--accent); margin-top: 0.25rem; }

.faq details {
  background: none;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  padding: 1rem 0;
  margin-bottom: 0;
}
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin-top: 0.7rem; }

.article-hero img,
.cover-img {
  width: 100%;
  border-radius: 4px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.article-meta { color: var(--muted-2); font-size: 0.9rem; margin: 0.8rem 0 1.4rem; }
.article-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}
.article-card { padding: 0; overflow: hidden; }
.article-card .body { padding: 1.25rem; }

/* Forms */
.form {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.4rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
.field { margin-bottom: 0.95rem; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.optional { color: var(--muted-2); font-weight: 500; font-size: 0.78rem; }
.field input,
.field select,
.field textarea {
  width: 100%;
  background: #0c1422;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 0.8rem 0.9rem;
  font-size: 1rem;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(76, 125, 255, 0.45);
  border-color: var(--accent);
}
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.form-note { font-size: 0.82rem; color: var(--muted-2); margin-top: 0.8rem; }
.form-error {
  display: none;
  color: var(--danger);
  font-size: 0.88rem;
  margin-bottom: 0.8rem;
}
.form-error.show { display: block; }

.contact-details { display: grid; gap: 1rem; }
.contact-details a, .contact-details p { color: var(--text); }
.contact-details span { display: block; color: var(--muted-2); font-size: 0.8rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 1.5rem;
  background: #090f1a;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.4rem;
}
.site-footer h4 { margin-bottom: 0.9rem; font-size: 0.95rem; }
.site-footer a, .site-footer p { color: var(--muted); font-size: 0.92rem; }
.site-footer a:hover { color: var(--text); }
.site-footer li { margin: 0.4rem 0; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted-2);
  font-size: 0.85rem;
}

.status-banner {
  background: var(--accent-soft);
  border: 1px solid rgba(76,125,255,0.25);
  color: var(--text);
  padding: 0.85rem 1rem;
  border-radius: 4px;
  margin: 1rem 0;
}

.legal { padding-bottom: 4rem; }
.legal h1 { margin-bottom: 0.4rem; }

.not-found { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 4rem 1rem; }
.not-found h1 { margin-bottom: 0.8rem; }

@media (max-width: 1240px) {
  .nav-links { gap: 0.2rem 0.75rem; }
  .nav-links a { font-size: 0.84rem; }
  .logo small { display: none; }
  .process { grid-template-columns: 1fr; }
}
@media (max-width: 1080px) {
  .hero-grid, .split, .cta-band, .footer-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: #0e1626;
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem 1.4rem;
    align-items: flex-start;
    gap: 0.85rem;
  }
  .nav-cta { margin-left: 0; }
  .menu-toggle { display: inline-grid; place-items: center; }
  .hero-visual, .hero-systems { display: block; border-left: 0; padding-left: 0; margin-top: 2rem; }
}
@media (max-width: 760px) {
  .grid-3, .grid-2, .form-row, .process { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 2.6rem 0; }
  .cta-band { padding-top: 1.6rem; }
  .hero { padding: 3rem 0 2.2rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, a.card { transition: none; }
}