/* =========================================================
   FreshAir — base.css
   Dizajn sistem: tokeni, tipografija, raspored, dugmad,
   statične komponente (pločica, ček-lista, FAQ).
   Komponente sa ponašanjem imaju svoje CSS fajlove.
   ========================================================= */

/* fontovi: lokalno (fonts/), samo slova koja sajt koristi; jedan fajl pokriva sve debljine */
@font-face{font-family:"Onest";src:url(../fonts/onest.woff2) format("woff2");font-weight:400 700;font-style:normal;font-display:swap}
@font-face{font-family:"Sora";src:url(../fonts/sora.woff2) format("woff2");font-weight:500 700;font-style:normal;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(../fonts/jetbrains-mono.woff2) format("woff2");font-weight:500 700;font-style:normal;font-display:swap}

:root{
  /* površine — "belo kućište klime" */
  --bg:#F3F6F9;
  --surface:#FFFFFF;
  --surface-2:#EEF2F6;
  --plastic:linear-gradient(180deg,#FFFFFF 0%,#F6F8FA 55%,#E8EDF2 100%);
  --line:#DDE4EB;
  --line-strong:#C4CFDA;

  /* mastilo */
  --ink:#0A1A2F;
  --ink-2:#22344D;
  --muted:#5A6A7F;
  --muted-2:#8796A8;

  /* brend (iz logoa) */
  --navy:#12366B;
  --blue:#1E6FD9;
  --blue-deep:#1560C9;
  --cyan:#22B8F0;
  --ice:#BFF1FF;

  /* LCD */
  --lcd-bg:#06111C;
  --lcd-bg-2:#0B1B2A;
  --lcd-on:#7FE6FF;
  --lcd-off:rgba(127,230,255,.075);
  --lcd-glow:0 0 6px rgba(127,230,255,.55),0 0 18px rgba(34,184,240,.35);

  /* toplota i instalacija */
  --heat:#FF7A45;
  --heat-soft:#FFB48F;
  --copper:#C9784A;
  --copper-hi:#E9A57A;
  --copper-dark:#8E4A26;
  --armaflex:#1B1F24;

  /* tamni panel */
  --panel:#07121F;
  --panel-2:#0C1C2D;
  --panel-line:rgba(127,230,255,.14);
  --panel-ink:#E4EEF7;
  --panel-muted:#93A7BC;

  /* radijusi i senke */
  --r-xs:8px; --r-s:12px; --r-m:18px; --r-l:26px; --r-xl:34px;
  --shadow-1:0 1px 2px rgba(10,26,47,.06),0 4px 14px rgba(10,26,47,.06);
  --shadow-2:0 2px 6px rgba(10,26,47,.06),0 22px 44px -16px rgba(10,26,47,.22);
  --shadow-3:0 40px 80px -30px rgba(10,26,47,.38),0 12px 24px -12px rgba(10,26,47,.18);

  /* tipografija */
  --f-display:"Sora",system-ui,sans-serif;
  --f-text:"Onest",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,"Cascadia Mono",Consolas,monospace;

  /* raspored */
  --wrap:1180px;
  --gutter:20px;
  --hdr-h:64px;
  --dock-h:72px;

  /* boja stranice — pomera je thermo.js (topla → neutralna → hladna) */
  --page-tint:#F3F6F9;

  color-scheme:only light;
}
@media (min-width:768px){ :root{ --gutter:32px; --hdr-h:72px; } }

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr-h) + 16px)}
body{
  margin:0;min-height:100vh;
  background:var(--page-tint);
  color:var(--ink);
  font:400 16.5px/1.62 var(--f-text);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  transition:background-color .6s linear;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
button{font:inherit;color:inherit}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:600}
dl,dd{margin:0}
:target{scroll-margin-top:calc(var(--hdr-h) + 16px)}

/* boja strane i na zasebnom sloju: neki telefonski pretraživači (Xiaomi)
   u noćnom režimu prepišu samo pozadinu body-ja, a ovaj sloj ne diraju */
body::before{
  content:"";position:fixed;inset:-10vh 0;z-index:-99;pointer-events:none;
  background:var(--page-tint);transition:background-color .6s linear;
}

/* fino zrno preko cele stranice — "mat plastika" */
body::after{
  content:"";position:fixed;inset:0;z-index:300;pointer-events:none;opacity:.045;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .6 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- pristupačnost ---------- */
.sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:500;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;text-decoration:none;font-weight:600}
.skip:focus{top:12px}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}

/* ---------- raspored ---------- */
.wrap{width:min(100% - 2*var(--gutter), var(--wrap));margin-inline:auto}
.sec{position:relative;padding-block:clamp(68px,9vw,120px)}
.sec + .sec{padding-top:clamp(40px,6vw,80px)}
.sec-alt{background:linear-gradient(180deg,rgba(255,255,255,.0) 0%,rgba(255,255,255,.75) 18%,rgba(255,255,255,.75) 82%,rgba(255,255,255,0) 100%)}
.sec-dark{
  background:
    radial-gradient(rgba(127,230,255,.075) 1px,transparent 1.2px) 0 0/22px 22px,
    radial-gradient(120% 70% at 85% 0%,rgba(34,184,240,.16) 0%,transparent 60%),
    linear-gradient(180deg,var(--panel) 0%,var(--panel-2) 100%);
  color:var(--panel-ink);
  padding-block:clamp(76px,9vw,128px);
}
.sec-dark + .sec{padding-top:clamp(68px,9vw,120px)}

/* ---------- tipografija ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font:600 11.5px/1 var(--f-mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--blue);margin:0 0 18px;
}
.eyebrow::before{
  content:"";width:7px;height:7px;border-radius:50%;flex:none;
  background:currentColor;box-shadow:0 0 0 3px color-mix(in srgb,currentColor 18%,transparent),0 0 10px currentColor;
}
.sec-dark .eyebrow{color:var(--lcd-on)}

.h-display,h1{font:600 clamp(31px,8.4vw,72px)/1.02 var(--f-display);letter-spacing:-.03em}
h2{font:600 clamp(26px,6.2vw,50px)/1.06 var(--f-display);letter-spacing:-.03em}
h3{font:700 clamp(19px,4.6vw,23px)/1.25 var(--f-text);letter-spacing:-.012em}
h4{font:600 11.5px/1.2 var(--f-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.sec-dark h4{color:var(--panel-muted)}

.sec-head{max-width:760px;margin-bottom:clamp(30px,5vw,56px)}
.sec-head h2{text-wrap:balance}
.sec-lede{margin:18px 0 0;font-size:clamp(16.5px,4.1vw,19px);line-height:1.55;color:var(--muted);text-wrap:pretty;max-width:60ch}
.sec-dark .sec-lede{color:var(--panel-muted)}

.mono{font-family:var(--f-mono)}
.lead{font-size:clamp(17px,4.2vw,20px);color:var(--ink-2)}

/* ---------- dugmad ("tasteri daljinskog") ---------- */
.btn{
  --b-h:52px;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:var(--b-h);padding:0 24px;border:0;border-radius:999px;
  font:600 16px/1 var(--f-text);letter-spacing:-.005em;text-decoration:none;white-space:nowrap;
  cursor:pointer;-webkit-tap-highlight-color:transparent;user-select:none;
  transition:transform .14s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease;
}
.btn svg{width:20px;height:20px;flex:none}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-xl{--b-h:62px;padding:0 30px;font-size:17px}
.btn-block{display:flex;width:100%}

.btn-call{
  color:#fff;
  background:linear-gradient(180deg,#3486EE 0%,var(--blue-deep) 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.38),inset 0 -2px 0 rgba(0,0,0,.14),0 12px 28px -12px rgba(21,96,201,.75);
}
.btn-call:hover{box-shadow:inset 0 1px 0 rgba(255,255,255,.38),inset 0 -2px 0 rgba(0,0,0,.14),0 16px 34px -12px rgba(21,96,201,.9),0 0 0 4px rgba(34,184,240,.16)}
.btn-call strong{font:600 1em/1 var(--f-mono);letter-spacing:.01em}
.btn-call .btn-k{opacity:.82;font-weight:500}

.btn-book{
  color:var(--ink);
  background:linear-gradient(180deg,#FFFFFF 0%,#F1F4F7 100%);
  box-shadow:inset 0 1px 0 #fff,0 0 0 1px var(--line-strong),0 10px 22px -14px rgba(10,26,47,.4);
}
.btn-book:hover{box-shadow:inset 0 1px 0 #fff,0 0 0 1px var(--blue),0 14px 28px -14px rgba(10,26,47,.45);color:var(--blue-deep)}

.btn-glass{
  color:var(--panel-ink);background:rgba(255,255,255,.06);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 0 0 1px rgba(127,230,255,.22);
}
.btn-glass:hover{background:rgba(127,230,255,.1);box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 0 0 1px rgba(127,230,255,.5)}

.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--blue-deep);text-decoration:none}
.link-arrow svg{width:18px;height:18px;transition:transform .2s}
.link-arrow:hover svg{transform:translateX(3px)}
.sec-dark .link-arrow{color:var(--lcd-on)}

/* ---------- liste i specifikacije ---------- */
.ticks{list-style:none;display:grid;gap:10px}
.ticks li{position:relative;padding-left:30px;line-height:1.5}
.ticks li::before{
  content:"";position:absolute;left:0;top:.18em;width:20px;height:20px;border-radius:7px;
  background:rgba(34,184,240,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.4l2.9 2.9 6.1-6.6' fill='none' stroke='%231560C9' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat;
}
.sec-dark .ticks li::before{background-color:rgba(127,230,255,.12);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.4l2.9 2.9 6.1-6.6' fill='none' stroke='%237FE6FF' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}

.specs{display:grid;gap:0;border-top:1px solid var(--line)}
.specs > div{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--line)}
.specs dt{font:600 11px/1.5 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding-top:2px}
.specs dd{font-weight:600;text-align:right}

.chip-time{
  display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;
  font:600 11.5px/1 var(--f-mono);letter-spacing:.06em;
  background:rgba(10,26,47,.06);color:var(--ink-2);
}

/* ---------- "pre poziva": pločica + ček-lista ---------- */
.prep{display:grid;gap:clamp(22px,4vw,40px);align-items:start}
@media (min-width:900px){ .prep{grid-template-columns:1.05fr .95fr} }

.plate{
  position:relative;border-radius:14px;padding:30px 26px 24px;
  font-family:var(--f-mono);color:#263243;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 1px,rgba(0,0,0,.018) 1px 3px),
    linear-gradient(135deg,#E3E8ED 0%,#F7F9FA 32%,#D9E0E6 58%,#F1F4F6 78%,#DCE2E8 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.9),inset 0 -1px 0 rgba(0,0,0,.08),0 0 0 1px #C3CDD7,var(--shadow-2);
}
.plate-rivet{position:absolute;width:11px;height:11px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#fff 0%,#C9D1D9 38%,#8E9AA6 100%);
  box-shadow:inset 0 -1px 1px rgba(0,0,0,.25),0 1px 0 rgba(255,255,255,.8)}
.plate-rivet:nth-of-type(1){top:10px;left:10px}
.plate-rivet:nth-of-type(2){top:10px;right:10px}
.plate-rivet:nth-of-type(3){bottom:10px;left:10px}
.plate-rivet:nth-of-type(4){bottom:10px;right:10px}
.plate-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  padding-bottom:12px;margin-bottom:6px;border-bottom:1.5px solid rgba(38,50,67,.32)}
.plate-brand{font:700 15px/1 var(--f-display);letter-spacing:-.01em;color:var(--navy)}
.plate-brand b{color:var(--blue);font-weight:700}
.plate-model{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:#56657A}
.plate-rows{display:grid}
.plate-row{display:flex;align-items:baseline;gap:10px;padding:9px 0;font-size:13.5px}
.plate-row dt{flex:none;font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:#5D6B7E}
.plate-row .dots{flex:1;border-bottom:1.5px dotted rgba(38,50,67,.28);transform:translateY(-4px);min-width:16px}
.plate-row dd{flex:none;font-weight:600;color:#1B2738;text-align:right}
.plate-row dd a{text-decoration:none}
.plate-row dd a:hover{text-decoration:underline}
.plate-foot{display:flex;justify-content:space-between;gap:12px;margin-top:10px;padding-top:12px;border-top:1.5px solid rgba(38,50,67,.32);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:#5D6B7E}

.checklist{background:var(--surface);border-radius:var(--r-l);padding:clamp(22px,4vw,32px);box-shadow:var(--shadow-1),0 0 0 1px var(--line)}
.checklist h3{margin-bottom:6px}
.checklist > p{color:var(--muted);margin-bottom:18px}
.checklist ul{list-style:none;display:grid;gap:10px;margin-bottom:22px}
.checklist label{
  display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border-radius:var(--r-s);
  background:var(--surface-2);cursor:pointer;transition:background .2s,box-shadow .2s;
}
.checklist label:hover{background:#E8EEF4}
.checklist input{position:absolute;opacity:0;pointer-events:none}
.checklist .box{
  flex:none;width:24px;height:24px;margin-top:1px;border-radius:8px;
  background:#fff;box-shadow:inset 0 0 0 1.5px var(--line-strong);
  display:grid;place-items:center;transition:background .2s,box-shadow .2s;
}
.checklist .box svg{width:15px;height:15px;opacity:0;transform:scale(.6);transition:opacity .2s,transform .25s cubic-bezier(.3,1.6,.5,1)}
.checklist strong{display:block;font-weight:600;line-height:1.35}
.checklist small{display:block;color:var(--muted);font-size:14px;line-height:1.45;margin-top:2px}
.checklist input:checked + .box{background:var(--cyan);box-shadow:inset 0 0 0 1.5px var(--cyan),0 0 12px rgba(34,184,240,.5)}
.checklist input:checked + .box svg{opacity:1;transform:none}
.checklist input:checked ~ span strong{color:var(--ink)}
.checklist input:focus-visible + .box{outline:3px solid var(--cyan);outline-offset:2px}
.checklist-ready{display:none;margin:0 0 14px;font:600 12px/1.3 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--blue-deep)}
.checklist.is-ready .checklist-ready{display:block}
.checklist.is-ready .btn-call{box-shadow:inset 0 1px 0 rgba(255,255,255,.38),0 0 0 6px rgba(34,184,240,.22),0 16px 34px -12px rgba(21,96,201,.9)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:10px;max-width:860px}
.faq details{background:var(--surface);border-radius:var(--r-m);box-shadow:0 0 0 1px var(--line);transition:box-shadow .2s}
.faq details[open]{box-shadow:0 0 0 1px #B9D3EE,var(--shadow-1)}
.faq summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 60px 20px 22px;font-weight:600;font-size:17px;line-height:1.35;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:20px;top:50%;width:26px;height:26px;margin-top:-13px;border-radius:9px;
  background:var(--surface-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M10 4.5v11M4.5 10h11' stroke='%231560C9' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/14px no-repeat;
  transition:transform .25s ease,background-color .2s;
}
.faq details[open] summary::after{transform:rotate(45deg);background-color:rgba(34,184,240,.14)}
.faq .ans{padding:0 22px 22px;color:var(--ink-2)}
.faq .ans p:last-child{margin:0}
.faq .ans a{color:var(--blue-deep);font-weight:600}

/* ---------- 7-segmentni LCD (crta seg7.js; veličina cifre = font-size) ---------- */
[data-seg7]{display:inline-flex;align-items:center;line-height:1;font-family:var(--f-mono);font-weight:600;white-space:nowrap}
[data-seg7] svg{height:1em;width:auto;overflow:visible}
[data-seg7] .seg7-off{fill:var(--seg-off,rgba(127,230,255,.075))}
[data-seg7] .seg7-on{fill:currentColor;filter:drop-shadow(0 0 .05em currentColor) drop-shadow(0 0 .2em color-mix(in srgb,currentColor 50%,transparent))}

/* ---------- pojavljivanje pri skrolu (nav.js dodaje html.rv-ready, pa .in) ---------- */
.rv-ready .rv{opacity:0;transform:translateY(22px)}
.rv-ready .rv.in{opacity:1;transform:none;transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.rv-ready .rv.in.d1{transition-delay:.08s}.rv-ready .rv.in.d2{transition-delay:.16s}.rv-ready .rv.in.d3{transition-delay:.24s}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .rv-ready .rv{opacity:1;transform:none}
}

/* mobilni dok se sakriva kod kontakta/futera (nav.js), pa telu ne treba dodatni razmak */