/*
  Connexis Design — Base Styles
  Bold, responsive CSS with a modern, kinetic aesthetic.
*/

:root {
  --bg: #05060d;
  --bg-2: #0c1120;
  --text: #f7f8ff;
  --muted: #9aa4c6;
  --primary: #ff6b3d;
  --secondary: #3d8bff;
  --accent: #00d4b5;
  --surface: #101527;
  --border: #1f2a3f;
  --shadow: 0 16px 40px rgba(9, 10, 20, 0.45);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --maxw: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1400px 700px at 68% -8%, rgba(61,139,255,0.16), transparent 60%),
              radial-gradient(1200px 600px at 12% 90%, rgba(255,107,61,0.12), transparent 65%),
              var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--space-5); }
.center { text-align: center; }

.skip-link {
  position: absolute; left: -999px; top: 0;
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); background: var(--surface); padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(11,13,18,0.7); backdrop-filter: saturate(1.2) blur(12px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: .4rem; font-family: "Space Grotesk", Inter, system-ui, sans-serif; font-weight: 600; font-size: 1.4rem; letter-spacing: .04em; color: #f7f8ff; text-transform: lowercase; transition: transform .2s ease; }
.logo-type, .logo-tag { color: inherit; }
.logo-dot { color: inherit; opacity: 0.7; font-size: 1.1em; line-height: 1; }
.logo:hover { transform: translateY(-1px); }
.logo:hover .logo-dot { opacity: 1; }

.site-nav ul { display: flex; gap: var(--space-4); align-items: center; list-style: none; margin: 0; padding: 0; }
.site-nav a { color: var(--muted); padding: .5rem .9rem; border-radius: 999px; transition: color .2s ease, background .2s ease; }
.site-nav a:hover { color: var(--text); background: rgba(61,139,255,0.12); }
.site-nav a.active { color: var(--text); background: rgba(255,107,61,0.16); }
.site-nav .cta a { color: #05060d; background: var(--primary); font-weight: 600; }
.site-nav .cta a:hover { filter: brightness(1.08); }

.nav-toggle { display: none; background: none; border: 0; padding: .5rem; }
.nav-toggle .nav-toggle-bar { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav { position: absolute; right: var(--space-5); top: 64px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); width: min(90vw, 320px); opacity: 0; transform: translateY(-6px); pointer-events: none; transition: .2s ease; }
  .site-nav.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav li { border-bottom: 1px solid var(--border); }
  .site-nav li:last-child { border-bottom: 0; }
}

/* Hero */
.hero { padding: var(--space-8) 0 var(--space-8); position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  inset: -15% -10% -25% -10%;
  background: url('../images/branding/connexis-grid.svg') center/cover no-repeat;
  opacity: 0.35;
  pointer-events: none;
  filter: saturate(1.1);
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(5, 8, 16, 0.85), transparent 55%),
              linear-gradient(160deg, rgba(5, 8, 16, 0.92), rgba(5, 8, 16, 0.55));
  z-index: 1;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 3; }
.hero h1 { font-size: clamp(2rem, 4vw + 1rem, 3.2rem); line-height: 1.15; margin: 0 0 var(--space-4); letter-spacing: -0.02em; }
.lede { color: var(--muted); font-size: 1.1rem; max-width: 70ch; }
.actions { display: flex; gap: var(--space-4); margin-top: var(--space-5); }

.hero-art { position: absolute; inset: 0; z-index: 2; opacity: .65; }
.orb { position: absolute; width: 400px; height: 400px; border-radius: 50%; filter: blur(60px); mix-blend-mode: screen; }
.orb-a { background: radial-gradient(circle at 30% 30%, rgba(61,139,255,0.55), transparent 65%); top: -120px; right: -140px; }
.orb-b { background: radial-gradient(circle at 70% 70%, rgba(255,107,61,0.4), transparent 65%); bottom: -200px; left: -160px; }
.bg-grid { position: absolute; inset: -20%; background: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px); background-size: 40px 40px; mask-image: radial-gradient(circle at 60% 0%, black, transparent 70%); }

/* Sections */
.section { padding: var(--space-8) 0; }
.section-title { font-size: 1.6rem; margin-bottom: var(--space-4); }
.section-heading { display: grid; gap: var(--space-3); max-width: 80ch; }
.section-intro { color: var(--muted); margin: 0 0 var(--space-6); font-size: 1.05rem; }

/* control section removed in index.html; corresponding CSS deleted */

.service-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--space-5); }
.service-card { background: var(--surface); border: 1px solid rgba(61,139,255,0.16); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; min-height: 100%; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.service-card:hover { transform: translateY(-4px); border-color: rgba(255,107,61,0.35); box-shadow: 0 18px 38px rgba(5, 12, 30, 0.5); }
.service-media { position: relative; height: 220px; background-size: cover; background-position: center; }
.service-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,8,16,0), rgba(5,8,16,0.75)); }
.service-body { padding: var(--space-5); display: grid; gap: var(--space-4); }
.service-body h3 { margin: 0; font-size: 1.25rem; }
.service-body p { margin: 0; color: var(--muted); }
.service-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); color: var(--muted); font-size: .95rem; }
.service-list li { position: relative; padding-left: 1.2rem; }
.service-list li::before { content: ""; position: absolute; top: .55rem; left: .35rem; width: 6px; height: 6px; border-radius: 999px; background: var(--accent); }

.service-media-integration { background-image: linear-gradient(180deg, rgba(14,20,34,0.05), rgba(14,20,34,0.75)), url('../images/services/service-integration.jpg'); }
.service-media-product { background-image: linear-gradient(180deg, rgba(14,20,34,0.05), rgba(14,20,34,0.75)), url('../images/services/service-product-design.jpg'); }
.service-media-electronics { background-image: linear-gradient(180deg, rgba(14,20,34,0.05), rgba(14,20,34,0.75)), url('../images/services/service-electronics-kicad.png'); }
.service-media-industrial { background-image: url('../images/services/service-industrial.svg'); }
.service-media-human { background-image: url('../images/services/service-human.svg'); }
.service-media-visualisation { background-image: url('../images/services/service-visualisation.svg'); }
.service-media-manufacturing { background-image: url('../images/services/service-manufacturing.svg'); }

/* Service media aliases for duplicated block (keep consistent) */
.service-media-ux { background-image: linear-gradient(180deg, rgba(14,20,34,0.05), rgba(14,20,34,0.75)), url('../images/services/service-ux.jpg'); }
.service-media-apps { background-image: linear-gradient(180deg, rgba(14,20,34,0.05), rgba(14,20,34,0.75)), url('../images/services/service-apps.jpg'); }
.service-media-wireless { background-image: linear-gradient(180deg, rgba(14,20,34,0.05), rgba(14,20,34,0.75)), url('../images/services/service-wireless.jpg'); }
/* Service media aliases */


/* Cards */
.card-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--space-5); }
.card { background: linear-gradient(200deg, rgba(255,255,255,0.04), rgba(255,255,255,0)); border: 1px solid rgba(61,139,255,0.18); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .18s ease, border-color .2s ease, box-shadow .2s ease; }
.card:hover { transform: translateY(-4px); border-color: rgba(255,107,61,0.4); box-shadow: 0 18px 36px rgba(5, 12, 28, 0.5); }
.card-thumb { aspect-ratio: 16 / 10; background: #10141d; position: relative; overflow: hidden; }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* removed unused featured-work thumbnail backgrounds */
.card-body { padding: var(--space-5); }
.card h3, .card h2 { margin: 0 0 var(--space-2); font-size: 1.2rem; }
.card-meta { color: var(--muted); margin: 0 0 var(--space-3); font-size: .95rem; }
.tags { display: flex; flex-wrap: wrap; gap: var(--space-2); padding: 0; margin: var(--space-3) 0 0; list-style: none; }
.tags li { padding: .25rem .5rem; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: .85rem; }

/* Process */
.process-steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-5); }
.process-steps li { background: var(--surface); border: 1px solid rgba(61,139,255,0.16); border-radius: var(--radius); padding: var(--space-5); position: relative; display: grid; gap: var(--space-3); box-shadow: var(--shadow); }
.process-steps li::before { counter-increment: step; content: counter(step); position: absolute; top: var(--space-4); right: var(--space-4); color: rgba(255,107,61,0.65); font-size: .9rem; letter-spacing: .12em; }
.process-steps h3 { margin: 0; font-size: 1.15rem; }
.process-steps p { margin: 0; color: var(--muted); }

/* Page hero */
.page-hero { padding: var(--space-7) 0 var(--space-6); border-bottom: 1px solid var(--border); background: linear-gradient(to bottom, rgba(255,255,255,0.04), transparent); }
.page-hero h1 { margin: 0 0 var(--space-2); }

/* Contact */
.contact .contact-form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-6); box-shadow: var(--shadow); }
.contact .grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
.contact label { display: grid; gap: .5rem; color: var(--muted); font-size: .95rem; }
.contact label.full { grid-column: 1 / -1; }
input, select, textarea { width: 100%; background: #0f131b; color: var(--text); border: 1px solid var(--border); border-radius: 10px; padding: .75rem .9rem; font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(93,209,255,0.35); border-color: rgba(93,209,255,0.6); }
.contact ::placeholder { color: #7d8596; }
.form-actions { display: flex; gap: var(--space-4); align-items: center; margin-top: var(--space-5); }
.form-note { color: var(--muted); font-size: .9rem; }

@media (max-width: 720px) {
  .contact .grid { grid-template-columns: 1fr; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: .75rem 1.15rem; border-radius: 12px; border: 1px solid rgba(61,139,255,0.18); background: rgba(5,8,16,0.9); color: var(--text); transition: transform .15s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease; letter-spacing: .01em; }
.btn:hover { transform: translateY(-2px); border-color: rgba(255,107,61,0.45); box-shadow: 0 16px 32px rgba(5, 12, 30, 0.45); }
.btn-primary { color: #05060d; background: var(--primary); border-color: rgba(255,107,61,0.55); }
.btn-secondary { background: rgba(61,139,255,0.22); border-color: rgba(61,139,255,0.45); color: var(--text); }
.btn-ghost { background: transparent; border-color: rgba(61,139,255,0.2); }

/* Footer */
.site-footer { border-top: 1px solid rgba(61,139,255,0.25); padding: var(--space-6) 0; margin-top: var(--space-8); background: radial-gradient(900px 480px at 85% 0%, rgba(61,139,255,0.12), transparent), var(--bg-2); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }
.footer-link { color: var(--muted); text-decoration: underline; }

@media (max-width: 760px) {
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* Utilities */
.page { min-height: 60vh; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card:hover, .btn:hover { transform: none; }
}

.logo-tag::before { content: ""; }