/* ==========================================================
   DD NET — stylesheet
   Tema: "mrežni nadzorni centar" — grafitno-teget + ćilibar akcenat
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --bg: #0d1620;
  --bg-alt: #0a121a;
  --panel: #131f2b;
  --panel-hover: #182734;
  --line: #22303d;
  --text: #e9eef2;
  --text-dim: #8fa1ae;
  --text-faint: #5b6c79;
  --green: #3ddc97;
  --amber: #ff9f43;
  --amber-dim: #b8712e;
  --radius: 3px;
  --wrap: 1180px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:700; margin:0; line-height:1.15; letter-spacing:-0.01em; }
p{ margin:0; }

.wrap{ max-width:var(--wrap); margin:0 auto; padding:0 28px; }

.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--amber);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:'';
  width:7px; height:7px; border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 3px rgba(61,220,151,0.15);
  flex-shrink:0;
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- Topbar ---------- */
.topbar{
  background:var(--bg-alt);
  border-bottom:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--text-faint);
}
.topbar .wrap{ display:flex; justify-content:space-between; align-items:center; height:38px; }
.topbar a{ color:var(--text-dim); transition:color .15s; }
.topbar a:hover{ color:var(--amber); }
.topbar .status{ display:flex; align-items:center; gap:8px; color:var(--green); }
.topbar .status::before{ content:''; width:6px; height:6px; border-radius:50%; background:var(--green); animation:pulse 2s infinite; }
.topbar .contacts{ display:flex; gap:22px; }

@keyframes pulse{
  0%,100%{ opacity:1; box-shadow:0 0 0 0 rgba(61,220,151,.5); }
  50%{ opacity:.65; box-shadow:0 0 0 5px rgba(61,220,151,0); }
}

/* ---------- Header / Nav ---------- */
header.site{
  background:rgba(13,22,32,0.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:50;
}
.nav{ display:flex; align-items:center; justify-content:space-between; height:76px; }
.logo{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; font-size:20px; color:var(--text); }
.logo .dot{ width:9px; height:9px; background:var(--amber); border-radius:2px; transform:rotate(45deg); }
.logo span.sub{ font-family:var(--font-mono); font-size:11px; color:var(--text-faint); font-weight:400; letter-spacing:.08em; margin-left:2px; }

.navlinks{ display:flex; gap:34px; font-size:14.5px; font-weight:500; }
.navlinks a{ color:var(--text-dim); position:relative; padding:6px 0; transition:color .15s; }
.navlinks a:hover, .navlinks a.active{ color:var(--text); }
.navlinks a.active::after{ content:''; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--amber); }

.nav-cta{
  font-family:var(--font-mono); font-size:13px; font-weight:500;
  border:1px solid var(--amber-dim); color:var(--amber);
  padding:9px 18px; border-radius:var(--radius); transition:all .15s;
  white-space:nowrap;
}
.nav-cta:hover{ background:var(--amber); color:#0d1620; border-color:var(--amber); }

.burger{ display:none; background:none; border:0; color:var(--text); font-size:22px; cursor:pointer; }

@media (max-width: 880px){
  .navlinks{ display:none; position:absolute; top:76px; left:0; right:0; background:var(--bg-alt); border-bottom:1px solid var(--line); flex-direction:column; gap:0; padding:8px 28px 18px; }
  .navlinks.open{ display:flex; }
  .navlinks a{ padding:12px 0; border-bottom:1px solid var(--line); }
  .burger{ display:block; }
  .topbar .contacts a:first-child{ display:none; }
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-body); font-weight:600; font-size:15px;
  padding:14px 26px; border-radius:var(--radius);
  transition:all .15s ease; cursor:pointer; border:1px solid transparent;
}
.btn-primary{ background:var(--amber); color:#0d1620; }
.btn-primary:hover{ background:#ffb066; transform:translateY(-1px); }
.btn-ghost{ border-color:var(--line); color:var(--text); }
.btn-ghost:hover{ border-color:var(--text-dim); background:var(--panel); }

/* ---------- Hero ---------- */
.hero{ padding:88px 0 70px; position:relative; overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns:1.05fr 0.95fr; gap:50px; align-items:center; }
.hero h1{ font-size:clamp(34px,4.6vw,58px); margin-bottom:22px; }
.hero h1 .accent{ color:var(--amber); }
.hero .lead{ font-size:18px; color:var(--text-dim); max-width:520px; margin-bottom:34px; }
.hero .actions{ display:flex; gap:14px; flex-wrap:wrap; }

.topo-wrap{ position:relative; }
.topo-wrap svg{ width:100%; height:auto; }
.node-pulse{ animation:nodepulse 2.4s ease-in-out infinite; }
@keyframes nodepulse{
  0%,100%{ r:5; opacity:1; }
  50%{ r:7; opacity:.75; }
}
.line-flow{ stroke-dasharray:4 6; animation:flow 1.8s linear infinite; }
@keyframes flow{ to{ stroke-dashoffset:-20; } }

/* ---------- Stats bar ---------- */
.stats{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--bg-alt); }
.stats .wrap{ display:grid; grid-template-columns:repeat(4,1fr); }
.stat{ padding:30px 20px; text-align:center; border-left:1px solid var(--line); }
.stat:first-child{ border-left:none; }
.stat .num{ font-family:var(--font-mono); font-size:clamp(24px,3vw,34px); color:var(--green); font-weight:500; }
.stat .label{ font-size:13px; color:var(--text-dim); margin-top:6px; }
@media (max-width:700px){ .stats .wrap{ grid-template-columns:repeat(2,1fr); } .stat{ border-left:none; border-top:1px solid var(--line); } .stat:nth-child(1),.stat:nth-child(2){ border-top:none; } }

/* ---------- Sections ---------- */
section{ padding:86px 0; }
.section-head{ max-width:640px; margin-bottom:52px; }
.section-head h2{ font-size:clamp(26px,3.4vw,38px); margin-bottom:14px; }
.section-head p{ color:var(--text-dim); font-size:16.5px; }

/* Service cards */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.card{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:30px 26px; position:relative; transition:border-color .2s, transform .2s;
}
.card:hover{ border-color:var(--amber-dim); transform:translateY(-3px); }
.card .icon{ width:38px; height:38px; margin-bottom:20px; color:var(--amber); }
.card h3{ font-size:18px; margin-bottom:10px; }
.card p{ color:var(--text-dim); font-size:14.5px; }
.card::before{
  content:''; position:absolute; top:0; left:0; width:16px; height:16px;
  border-top:1px solid var(--amber-dim); border-left:1px solid var(--amber-dim);
  opacity:0; transition:opacity .2s;
}
.card:hover::before{ opacity:1; }

@media (max-width:900px){ .grid-3{ grid-template-columns:1fr 1fr; } }
@media (max-width:620px){ .grid-3{ grid-template-columns:1fr; } .hero-grid{ grid-template-columns:1fr; } }

/* Process steps */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; counter-reset:step; }
.step{ padding:0 24px 0 0; position:relative; }
.step:not(:last-child)::after{
  content:''; position:absolute; top:22px; right:-2px; width:calc(100% - 60px); height:1px;
  background:repeating-linear-gradient(to right, var(--line) 0 6px, transparent 6px 12px);
}
.step .n{ font-family:var(--font-mono); color:var(--amber); font-size:14px; margin-bottom:16px; }
.step h4{ font-size:16.5px; margin-bottom:8px; }
.step p{ color:var(--text-dim); font-size:14px; }
@media (max-width:820px){ .steps{ grid-template-columns:1fr 1fr; row-gap:36px; } .step:not(:last-child)::after{ display:none; } }
@media (max-width:520px){ .steps{ grid-template-columns:1fr; } }

/* Why us / split */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.split ul li{ display:flex; gap:12px; padding:10px 0; color:var(--text-dim); border-bottom:1px solid var(--line); }
.split ul li:last-child{ border-bottom:none; }
.split ul li::before{ content:'▹'; color:var(--amber); flex-shrink:0; }
@media (max-width:820px){ .split{ grid-template-columns:1fr; gap:34px; } }

.panel-box{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:34px;
}

/* Testimonials */
.testi-scroll{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.testi{ background:var(--panel); border:1px solid var(--line); padding:26px; border-radius:var(--radius); font-size:14.5px; color:var(--text-dim); }
.testi .who{ margin-top:16px; font-family:var(--font-mono); color:var(--text); font-size:13px; }
@media (max-width:900px){ .testi-scroll{ grid-template-columns:1fr; } }

/* CTA band */
.cta-band{ background:var(--panel); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.cta-band .wrap{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:24px; }
.cta-band h2{ font-size:clamp(22px,3vw,30px); }
.cta-band p{ color:var(--text-dim); margin-top:8px; }

/* FAQ accordion */
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{
  width:100%; background:none; border:0; color:var(--text); font-family:var(--font-body);
  font-size:16.5px; font-weight:600; text-align:left; padding:22px 0; cursor:pointer;
  display:flex; justify-content:space-between; align-items:center; gap:16px;
}
.faq-q .plus{ font-family:var(--font-mono); color:var(--amber); font-size:20px; transition:transform .2s; flex-shrink:0; }
.faq-item.open .plus{ transform:rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .25s ease; color:var(--text-dim); font-size:15px; }
.faq-a p{ padding-bottom:22px; max-width:680px; }

/* Table (pricing-ish / specs) */
table.spec{ width:100%; border-collapse:collapse; font-size:14.5px; }
table.spec th, table.spec td{ text-align:left; padding:14px 16px; border-bottom:1px solid var(--line); }
table.spec th{ font-family:var(--font-mono); color:var(--text-faint); text-transform:uppercase; font-size:12px; letter-spacing:.06em; font-weight:500; }

/* Contact page */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:50px; }
.field{ margin-bottom:20px; }
.field label{ display:block; font-size:13.5px; color:var(--text-dim); margin-bottom:8px; font-family:var(--font-mono); }
.field input, .field textarea{
  width:100%; background:var(--bg-alt); border:1px solid var(--line); color:var(--text);
  padding:13px 14px; border-radius:var(--radius); font-family:var(--font-body); font-size:15px; resize:vertical;
}
.field input:focus, .field textarea:focus{ border-color:var(--amber-dim); outline:none; }
.contact-info-item{ display:flex; gap:16px; padding:18px 0; border-bottom:1px solid var(--line); }
.contact-info-item:last-child{ border-bottom:none; }
.contact-info-item .k{ font-family:var(--font-mono); font-size:12px; color:var(--text-faint); text-transform:uppercase; letter-spacing:.06em; width:110px; flex-shrink:0; }
.contact-info-item .v{ color:var(--text); }
@media (max-width:820px){ .contact-grid{ grid-template-columns:1fr; } }
.form-note{ font-size:13px; color:var(--text-faint); margin-top:10px; }

/* Page hero (inner pages) */
.page-hero{ padding:60px 0 50px; border-bottom:1px solid var(--line); }
.page-hero h1{ font-size:clamp(30px,4vw,44px); margin-bottom:14px; }
.page-hero p{ color:var(--text-dim); font-size:17px; max-width:600px; }
.breadcrumb{ font-family:var(--font-mono); font-size:12.5px; color:var(--text-faint); margin-bottom:18px; }
.breadcrumb a:hover{ color:var(--amber); }

/* ---------- Footer ---------- */
footer.site{ background:var(--bg-alt); border-top:1px solid var(--line); padding:60px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:50px; }
.footer-grid h4{ font-size:13px; font-family:var(--font-mono); color:var(--text-faint); text-transform:uppercase; letter-spacing:.06em; margin-bottom:18px; font-weight:500; }
.footer-grid ul li{ margin-bottom:10px; }
.footer-grid ul a{ color:var(--text-dim); font-size:14.5px; transition:color .15s; }
.footer-grid ul a:hover{ color:var(--amber); }
.footer-brand p{ color:var(--text-dim); font-size:14.5px; margin-top:14px; max-width:280px; }
.footer-bottom{ border-top:1px solid var(--line); padding:20px 0; display:flex; justify-content:space-between; font-size:13px; color:var(--text-faint); flex-wrap:wrap; gap:10px; }
@media (max-width:820px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }