/*
Theme Name: Diagnostic PRO SD
Theme URI: https://diagnosticprosd.rs
Author: Diagnostic PRO SD
Description: Poslovni sajt — dijagnostika, prognostika, performanse. Beograd.
Version: 1.0.1
Requires at least: 6.0
Tested up to: 6.7
Text Domain: diagnostic-pro-sd
*/

:root {
  --bg: #070b14;
  --bg-elev: #101827;
  --card: #151e2e;
  --line: #2a364a;
  --text: #e8eef8;
  --muted: #94a3b8;
  --blue: #38bdf8;
  --blue-strong: #0ea5e9;
  --silver: #c9d2e3;
  --gold: #c9a84c;
  --radius: 16px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #122038 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.55;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: #7dd3fc; }
img { max-width: 100%; height: auto; display: block; }
.wrap { width: min(1120px, calc(100% - 2rem)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(7, 11, 20, 0.85);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}
.brand { display: flex; align-items: center; gap: 0.85rem; color: var(--text); }
.brand-logo, .custom-logo { width: 56px; height: 56px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; gap: 0.15rem; }
.brand-text strong { letter-spacing: 0.04em; font-size: 0.95rem; }
.brand-text small { color: var(--muted); font-size: 0.72rem; }
.site-nav .menu {
  list-style: none;
  display: flex;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.site-nav a { color: var(--silver); font-weight: 600; font-size: 0.92rem; }
.site-nav a:hover { color: var(--blue); }

.hero {
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2rem;
  align-items: center;
}
.eyebrow {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin: 0 0 0.75rem;
}
.hero h1, .page-hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}
.lead { color: var(--muted); font-size: 1.1rem; max-width: 40rem; }
.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem; }
.hero-mark {
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, #172338, #0b1220);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}
.hero-mark img { width: min(280px, 100%); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
}
.btn-primary { background: var(--blue-strong); color: #041018; }
.btn-primary:hover { background: #38bdf8; color: #041018; }
.btn-ghost { border-color: var(--line); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

.section { padding: 3.5rem 0; }
.section-dark { background: #0a1220; border-block: 1px solid var(--line); }
.section-title { margin: 0; font-size: 1.8rem; }
.section-sub { color: var(--muted); margin: 0.4rem 0 1.5rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.card, .service, .contact-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.card h3, .service h2 { margin-top: 0; color: var(--silver); }
.card p, .service p { color: var(--muted); margin-bottom: 0; }

.cta-band {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.cta-band h2 { margin: 0 0 0.35rem; }
.cta-band p { margin: 0; color: var(--muted); }

.page-hero { padding: 3rem 0 1rem; }
.stack { display: grid; gap: 1rem; }
.prose { max-width: 42rem; }
.prose p, .prose li { color: var(--muted); }
.prose strong { color: var(--text); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: #060a12;
  padding: 2rem 0 1.25rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-inner p { margin: 0.35rem 0; color: var(--muted); }
.footer-copy {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: #64748b;
  font-size: 0.85rem;
}
.muted { color: var(--muted); }

@media (max-width: 900px) {
  .hero-grid, .cards, .contact-grid { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; align-items: flex-start; }
}