/* Sector 5 v2 - "radni sto": tamna lemna maska, zuta sa mernog instrumenta */
:root {
  color-scheme: dark;

  --bg: #0d1210;
  --surface: #141c18;
  --surface-2: #1a241f;
  --rule: #2a3730;
  --rule-soft: #1f2a24;
  --text: #e7ece4;
  --text-2: #aeb9b0;
  --text-3: #808d83;

  --yellow: #f2bf1a;
  --yellow-hover: #ffd23f;
  --on-yellow: #141915;
  --lcd: #b9e08a;
  --dead: #ff6b57;
  --copper: #d08a4e;

  --display: 'Archivo', 'Arial Narrow', Arial, sans-serif;
  --body: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, Consolas, monospace;

  --wrap: 1160px;
  --gutter: 20px;
  --header-h: 64px;
}

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

html {
  background: var(--bg);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
/* `hidden` mora da pobedi display:grid/flex iz klasa ispod (sakrivene sekcije). */
[hidden] { display: none !important; }
h1, h2, h3 { font-family: var(--display); margin: 0; text-wrap: balance; letter-spacing: -0.01em; }
p, ul, ol, dl, dd, figure { margin: 0; }
a { color: inherit; }
button, input { font: inherit; color: inherit; }

:focus-visible { outline: 2px solid var(--yellow); outline-offset: 3px; }

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.label {
  font: 500 12px/1.3 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  background: var(--yellow);
  color: var(--on-yellow);
  padding: 10px 14px;
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

main:focus { outline: none; }

/* ---------- dugmad ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 10px 18px;
  border: 1.5px solid var(--text-2);
  background: transparent;
  color: var(--text);
  font: 600 15px/1.2 var(--body);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}
.btn:hover { border-color: var(--text); background: var(--surface-2); }
.btn-primary { background: var(--yellow); border-color: var(--yellow); color: var(--on-yellow); }
.btn-primary:hover { background: var(--yellow-hover); border-color: var(--yellow-hover); }
.btn-quiet { border-color: transparent; text-decoration: underline; text-decoration-color: var(--text-3); text-underline-offset: 4px; }
.btn-quiet:hover { border-color: transparent; background: transparent; text-decoration-color: var(--yellow); }

/* ---------- zaglavlje ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 18, 16, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: var(--header-h);
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark {
  background: var(--yellow);
  color: var(--on-yellow);
  font: 800 15px/1 var(--display);
  font-stretch: 75%;
  padding: 6px 7px;
}
.logo-name { font: 800 18px/1 var(--display); font-stretch: 80%; letter-spacing: 0.04em; }

.site-nav { display: flex; gap: 24px; margin-left: auto; }
.site-nav a { font-size: 14.5px; color: var(--text-2); text-decoration: none; padding-block: 6px; }
.site-nav a:hover { color: var(--text); }

.header-phone {
  font: 500 14px var(--mono);
  text-decoration: none;
  border: 1.5px solid var(--yellow);
  color: var(--yellow);
  padding: 8px 12px;
  white-space: nowrap;
}
.header-phone:hover { background: var(--yellow); color: var(--on-yellow); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 1.5px solid var(--rule);
  background: transparent;
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 11px;
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: transform 0.2s;
}
.nav-toggle span { top: 20px; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
  padding-block: 72px 48px;
}
.hero h1 {
  margin-top: 16px;
  font-size: clamp(2.6rem, 6.4vw, 5.2rem);
  font-weight: 850;
  font-stretch: 74%;
  line-height: 0.95;
  letter-spacing: -0.015em;
}
.hero h1 em {
  font-style: normal;
  color: var(--yellow);
}
.hero-lede { margin-top: 22px; max-width: 52ch; font-size: 1.08rem; color: var(--text-2); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.hero-note { margin-top: 18px; font-size: 14px; color: var(--text-3); }
.hero-solo { grid-template-columns: 1fr; padding-block: 88px 56px; }
.hero-solo .hero-copy { max-width: 900px; }
.hero-note a { color: var(--text); text-underline-offset: 3px; text-decoration-color: var(--yellow); }

/* Cetiri ploce sa cetiri razlicita uredjaja - slika onoga sto naslov tvrdi. */
.boards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.board { position: relative; margin: 0; }
.board .photo-slot { aspect-ratio: 4 / 3; }
.board img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.board figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 5px 9px;
  background: var(--bg);
  font: 500 12px var(--mono);
  letter-spacing: 0.04em;
  color: var(--text);
}

/* Privremeno mesto za fotografiju - neutralno, da se ne cita kao dizajn. */
.photo-slot {
  display: grid;
  place-items: center;
  background: var(--surface-2);
  border: 1px dashed var(--rule);
}
.photo-slot span {
  font: 500 11px var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  text-align: center;
  padding: 0 10px;
}

/* ---------- cinjenice ---------- */
.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 24px;
}
.facts > div {
  display: grid;
  gap: 2px;
  padding: 18px 20px 18px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.facts > div + div { padding-left: 20px; border-left: 1px solid var(--rule); }
.facts strong { font: 800 1.5rem/1.1 var(--display); font-stretch: 80%; }
.facts span { font-size: 14px; color: var(--text-2); }

/* ---------- sekcije ---------- */
.block { padding-block: 72px 24px; display: grid; gap: 28px; }
.block-head { display: grid; gap: 10px; max-width: 64ch; }
.block-head h2 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 800;
  font-stretch: 78%;
  line-height: 1;
}
.block-head p:not(.label) { color: var(--text-2); }

/* uredjaji */
.devices {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.devices li { background: var(--surface); padding: 18px; display: grid; gap: 6px; align-content: start; }
.devices strong { font: 750 1.08rem/1.15 var(--display); font-stretch: 85%; }
.devices span { font-size: 13.5px; line-height: 1.45; color: var(--text-3); }
.devices .devices-more { background: var(--yellow); color: var(--on-yellow); }
.devices .devices-more span { color: var(--on-yellow); }

/* simptomi */
.symptoms { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 10px 16px;
  min-height: 44px;
  border: 1.5px solid var(--rule);
  background: var(--surface);
  font-size: 15px;
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s;
}
.chip:hover { border-color: var(--text-3); }
.chip[aria-pressed="true"] { background: var(--text); border-color: var(--text); color: var(--bg); }

.diag {
  display: grid;
  grid-template-columns: 1fr 1.3fr 0.8fr;
  background: var(--surface);
  border: 1px solid var(--rule);
}
.diag > div { padding: 22px; display: grid; gap: 8px; align-content: start; }
.diag > div + div { border-left: 1px solid var(--rule); }
.diag p:not(.label) { color: var(--text-2); }
.diag .diag-time { font: 500 1.3rem var(--mono); color: var(--text); }
.diag > div { transition: opacity 0.15s; }
.diag.is-swapping > div { opacity: 0.2; }

/* Cene su privremene: uokvirene isprekidano da se ne zaborave pre objave. */
.price-ph {
  font-family: var(--mono);
  color: var(--text-3);
  border: 1px dashed var(--text-3);
  padding: 1px 6px;
  white-space: nowrap;
}

/* cene */
.table-scroll { overflow-x: auto; border: 1px solid var(--rule); }
.prices { width: 100%; border-collapse: collapse; background: var(--surface); font-size: 15px; }
.prices th, .prices td { padding: 12px 18px; text-align: left; border-bottom: 1px solid var(--rule-soft); }
.prices thead th { font: 500 12px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); border-bottom-color: var(--rule); }
.prices td:nth-child(2) { color: var(--text-2); white-space: nowrap; width: 1%; }
.prices-group th {
  background: var(--surface-2);
  font: 700 13px var(--display);
  font-stretch: 90%;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--copper);
}
.prices tbody tr:last-child td { border-bottom: 0; }
.fine { font-size: 14px; color: var(--text-3); }

/* slucajevi */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.case { background: var(--surface); border: 1px solid var(--rule); display: grid; grid-template-rows: auto 1fr; }
.case-photo { aspect-ratio: 4 / 3; border-width: 0 0 1px; }
.case-body { padding: 20px; display: grid; gap: 12px; align-content: start; }
.case-tag {
  justify-self: start;
  font: 500 11px var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dead);
  border: 1px dashed var(--dead);
  padding: 1px 6px;
}
.case h3 { font-size: 1.25rem; font-weight: 800; font-stretch: 82%; line-height: 1.15; }
.case-log { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 14.5px; }
.case-log dt { font: 500 11.5px/1.9 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
.case-log dd { color: var(--text-2); }
.case-log .case-win { color: var(--lcd); font-weight: 600; }

/* koraci - stvarni redosled, zato su numerisani */
.steps {
  list-style: none;
  padding: 0;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.steps li { counter-increment: step; background: var(--surface); padding: 22px; display: grid; gap: 8px; align-content: start; }
.steps li::before { content: "0" counter(step); font: 500 13px var(--mono); color: var(--yellow); }
.steps h3 { font-size: 1.3rem; font-weight: 800; font-stretch: 82%; }
.steps p { font-size: 15px; color: var(--text-2); }

.warranty {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  gap: 24px;
  align-items: center;
  padding: 24px;
  border: 1.5px solid var(--yellow);
}
.warranty h3 { margin-top: 6px; font-size: clamp(1.5rem, 2.8vw, 2rem); font-weight: 800; font-stretch: 80%; }
.warranty ul { list-style: none; padding: 0; display: grid; gap: 8px; }
.warranty li { padding-left: 22px; position: relative; color: var(--text-2); }
.warranty li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 10px; height: 2px; background: var(--yellow); }

/* faq */
.faq { border-top: 1px solid var(--rule); max-width: 860px; }
.faq-item { border-bottom: 1px solid var(--rule); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  background: none;
  border: 0;
  text-align: left;
  font: 600 1.08rem/1.35 var(--body);
  cursor: pointer;
}
.faq-q::after { content: "+"; font: 500 1.3rem/1 var(--mono); color: var(--yellow); flex: none; }
.faq-q[aria-expanded="true"]::after { content: "−"; }
.faq-a { padding: 0 0 20px; max-width: 70ch; color: var(--text-2); }

/* kontakt */
.contact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: start; }
.contact > * { background: var(--surface); border: 1px solid var(--rule); padding: 24px; }
.contact h3 { font-size: 1.3rem; font-weight: 800; font-stretch: 82%; margin-bottom: 14px; }
.contact-phone {
  display: block;
  font: 800 clamp(1.6rem, 2.6vw, 2.1rem)/1.1 var(--display);
  font-stretch: 78%;
  color: var(--yellow);
  text-decoration: none;
}
.contact-phone:hover { text-decoration: underline; }
.contact-sub { font-size: 14px; color: var(--text-3); margin-top: 4px; }
.contact-list { display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; margin-top: 22px; font-size: 15px; }
.contact-list dt { font: 500 11.5px/2 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
.contact-list dd { color: var(--text-2); }
.contact-ship ol { padding-left: 20px; display: grid; gap: 10px; color: var(--text-2); font-size: 15px; }
.contact-ship li::marker { font-family: var(--mono); color: var(--yellow); }

.tracking label { display: block; font-size: 14px; color: var(--text-2); margin-bottom: 8px; }
.tracking-row { display: grid; gap: 8px; }
.tracking-row input {
  min-height: 46px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1.5px solid var(--rule);
  font-family: var(--mono);
  font-size: 14px;
}
.tracking-row input:focus { border-color: var(--yellow); outline: none; }
.tracking-row input::placeholder { color: var(--text-3); }
.tracking-result:not(:empty) { margin-top: 12px; }
.tracking-result > div { display: flex; gap: 10px; font-size: 14px; padding: 10px 12px; border: 1px solid var(--rule); }
.tracking-result .error { border-color: var(--dead); }
.tracking-result .error > span { color: var(--dead); font-weight: 700; }
.tracking-result .success > span { color: var(--lcd); font-weight: 700; }
.tracking-result .link-row { margin-top: 8px; }
.tracking-result .btn { min-height: 38px; padding: 6px 12px; font-size: 14px; }

/* podnozje */
.site-footer { margin-top: 80px; border-top: 1px solid var(--rule); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-block: 28px; font-size: 14px; color: var(--text-3); }
.footer-inner strong { color: var(--text-2); }

.mobile-bar { display: none; }

/* ---------- prelomi ---------- */
@media (max-width: 1100px) {
  .site-nav { gap: 18px; }
  .devices { grid-template-columns: repeat(3, 1fr); }
  .devices .devices-more { grid-column: span 2; }
  .contact { grid-template-columns: 1fr 1fr; }
  .contact .tracking { grid-column: 1 / -1; }
}

@media (max-width: 960px) {
  .header-inner { gap: 16px; }
  .nav-toggle { display: block; }
  .header-phone { margin-left: auto; }
  .nav-toggle { margin-left: 0; }
  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px var(--gutter) 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--rule);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 0; font-size: 16px; border-bottom: 1px solid var(--rule-soft); }

  .hero { grid-template-columns: 1fr; gap: 36px; padding-block: 44px 32px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts > div:nth-child(n+3) { border-top: 0; }
  .diag { grid-template-columns: 1fr; }
  .diag > div + div { border-left: 0; border-top: 1px solid var(--rule); }
  .cases { grid-template-columns: 1fr; }
  .case { grid-template-columns: 220px 1fr; grid-template-rows: none; }
  .case-photo { aspect-ratio: auto; min-height: 100%; border-width: 0 1px 0 0; }
  .steps { grid-template-columns: 1fr 1fr; }
  .warranty { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --gutter: 16px; --header-h: 58px; }
  .header-phone { display: none; }
  .nav-toggle { margin-left: auto; }
  .hero-actions .btn { flex: 1 1 100%; }
  .facts { grid-template-columns: 1fr; }
  .facts > div, .facts > div + div { padding: 12px 0; border-left: 0; border-top: 0; }
  .facts > div:first-child { border-top: 1px solid var(--rule); }
  .block { padding-block: 56px 16px; }
  .devices { grid-template-columns: 1fr 1fr; }
  .devices li { padding: 14px; }
  .devices .devices-more { grid-column: 1 / -1; }
  .case { grid-template-columns: 1fr; }
  .case-photo { aspect-ratio: 16 / 9; border-width: 0 0 1px; }
  .steps { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; }
  .prices th, .prices td { padding: 10px 12px; }

  /* Traka na dnu - telefon je uvek na dohvat palca. */
  body { padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px)); }
  .mobile-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: var(--bg);
    border-top: 1px solid var(--rule);
  }
  .mobile-bar a {
    display: grid;
    place-items: center;
    min-height: 56px;
    font-weight: 600;
    text-decoration: none;
  }
  .mobile-bar a:first-child { background: var(--yellow); color: var(--on-yellow); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}