/* ROLLTEK — palette sampled from the logo (charcoal-blue #232935 + orange #F15A0C).
   Signature motif: roller-shutter "slats" (horizontal banding). No green anywhere. */
:root{
  --ink:#232935;          /* logo background */
  --ink-900:#171b22;      /* deepest */
  --ink-800:#1d222c;
  --ink-700:#2c3340;      /* raised surface on dark */
  --ink-600:#3a4354;
  --orange:#f15a0c;       /* logo orange */
  --orange-600:#d94e06;
  --orange-300:#ff8a4d;
  --paper:#ffffff;
  --mist:#eef1f5;         /* cool light section bg */
  --mist-2:#e4e9f0;
  --line:#d9e0ea;
  --text:#232935;
  --muted:#5c6675;
  --muted-2:#8792a3;
  --radius:14px;
  --shadow:0 12px 34px rgba(23,27,34,.10);
  --shadow-lg:0 22px 55px rgba(23,27,34,.20);
  --disp:"Rubik",-apple-system,"Segoe UI",sans-serif;
  --body:"Assistant",-apple-system,"Segoe UI",Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);color:var(--text);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 22px}
.eyebrow{font-family:var(--disp);font-weight:700;font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--orange);margin:0 0 12px}
.eyebrow--dark{color:var(--orange-600)}
.sec__title{font-family:var(--disp);font-weight:800;font-size:clamp(26px,3.6vw,40px);color:var(--ink);margin:0 0 26px;line-height:1.1}

/* slat motif */
.hero__slats,.pagehead__slats{
  position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0,rgba(255,255,255,.045) 2px,transparent 2px,transparent 13px);
  -webkit-mask-image:linear-gradient(180deg,#000,transparent);mask-image:linear-gradient(180deg,#000,transparent);
}

/* ── Header ─────────────────────────────────────────────────────────────── */
.hdr{position:sticky;top:0;z-index:60;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.06)}
.hdr__in{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:flex;align-items:center}
.brand__logo{height:40px;width:auto}
.brand__fallback{flex-direction:column;line-height:1.05}
.brand__fallback b{font-family:var(--disp);font-weight:900;font-size:22px;color:#fff}
.brand__fallback i{font-style:normal;font-size:11px;color:var(--muted-2)}
.nav{display:flex;gap:4px;margin-inline-start:auto;flex-wrap:wrap}
.nav a{font-family:var(--disp);font-weight:500;font-size:15px;color:#c9d2df;padding:8px 12px;border-radius:9px;transition:.15s}
.nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav a.is-active{color:#fff;background:var(--orange)}
.hdr__phone{display:flex;align-items:center;gap:8px;background:var(--orange);color:#fff;padding:9px 15px;border-radius:11px;font-weight:700}
.hdr__phone svg{width:18px;height:18px}
.hdr__phone strong{font-size:17px;direction:ltr}
.hdr__phone:hover{background:var(--orange-600)}
.navtoggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-inline-start:auto}
.navtoggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.2s}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--disp);font-weight:700;font-size:16px;padding:13px 24px;border-radius:11px;border:2px solid transparent;cursor:pointer;transition:.15s}
.btn svg{width:19px;height:19px}
.btn--wa{background:var(--orange);color:#fff}
.btn--wa:hover{background:var(--orange-600);transform:translateY(-1px)}
.btn--call{background:#fff;color:var(--ink);border-color:var(--line)}
.btn--call:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn--ghost:hover{border-color:#fff}
.btnrow{display:flex;gap:12px;flex-wrap:wrap}

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 420px at 82% -20%,rgba(241,90,12,.20),transparent 60%),
  linear-gradient(180deg,var(--ink) 0%,var(--ink-900) 100%);
  color:#fff;padding:76px 0 84px;text-align:center}
.hero__in{position:relative;z-index:1;animation:rise .7s ease both}
.hero__title{font-family:var(--disp);font-weight:900;font-size:clamp(32px,6vw,62px);line-height:1.06;margin:0 0 18px;letter-spacing:-.5px}
.hero__title span{color:var(--orange-300)}
.hero__sub{max-width:720px;margin:0 auto 30px;color:#c9d2df;font-size:clamp(15px,1.9vw,19px)}
.hero__phone{display:inline-block;direction:ltr;font-family:var(--disp);font-weight:900;font-size:clamp(38px,8vw,76px);color:#fff;letter-spacing:1px;text-shadow:0 4px 24px rgba(0,0,0,.4);margin-bottom:22px}
.hero__phone:hover{color:var(--orange-300)}
.btnrow{justify-content:center}
.hero__meta{margin-top:26px;color:var(--muted-2);font-family:var(--mono);font-size:13px;letter-spacing:.02em}

/* ── Category tiles ─────────────────────────────────────────────────────── */
.cats{padding:66px 0;background:var(--mist)}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tile{position:relative;display:flex;flex-direction:column;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);transition:.18s;overflow:hidden}
.tile::before{content:"";position:absolute;inset-block:0;inset-inline-start:0;width:4px;background:var(--orange);transform:scaleY(0);transform-origin:top;transition:.2s}
.tile:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--orange-300)}
.tile:hover::before{transform:scaleY(1)}
.tile__ic{width:52px;height:52px;border-radius:12px;background:var(--ink);color:var(--orange-300);display:flex;align-items:center;justify-content:center}
.tile__ic svg{width:28px;height:28px}
.tile__txt strong{display:block;font-family:var(--disp);font-weight:800;font-size:21px;color:var(--ink);margin-bottom:4px}
.tile__txt small{color:var(--muted);font-size:14.5px;line-height:1.5}
.tile__n{margin-top:auto;font-family:var(--mono);font-weight:700;font-size:13px;color:var(--orange-600)}

/* ── Simple guide ───────────────────────────────────────────────────────── */
.guide{padding:66px 0}
.guide__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gitem{background:var(--mist);border-radius:var(--radius);padding:26px 22px}
.gitem__ic{width:46px;height:46px;border-radius:11px;background:#fff;border:1px solid var(--line);color:var(--orange);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.gitem__ic svg{width:24px;height:24px}
.gitem h3{font-family:var(--disp);font-weight:800;font-size:20px;color:var(--ink);margin:0 0 6px}
.gitem p{margin:0;color:var(--muted)}
.guide__cta{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:30px;background:var(--ink);color:#fff;border-radius:var(--radius);padding:24px 28px}
.guide__cta span{font-family:var(--disp);font-weight:600;font-size:18px}

/* ── Page head (category) ───────────────────────────────────────────────── */
.pagehead{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--ink),var(--ink-900));color:#fff;padding:48px 0}
.pagehead__in{position:relative;z-index:1;display:flex;align-items:center;gap:22px}
.pagehead__ic{flex:none;width:70px;height:70px;border-radius:16px;background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center}
.pagehead__ic svg{width:36px;height:36px}
.pagehead__title{font-family:var(--disp);font-weight:900;font-size:clamp(28px,4.5vw,46px);margin:2px 0 6px}
.pagehead__lead{margin:0;color:#c9d2df;max-width:680px}

/* ── Listing / cards ────────────────────────────────────────────────────── */
.listing{padding:52px 0 70px;background:var(--mist)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.18s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card__imgwrap{position:relative;background:#fff;padding:20px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line);min-height:170px}
.card__imgwrap img{max-height:150px;width:auto;object-fit:contain}
.card__noimg{color:var(--muted-2);font-size:14px}
.card__chip{position:absolute;top:12px;inset-inline-start:12px;font-family:var(--mono);font-weight:700;font-size:12px;background:var(--ink);color:#fff;padding:4px 10px;border-radius:7px;direction:ltr}
.card__body{display:flex;flex-direction:column;flex:1;padding:16px 16px 18px}
.card__title{font-family:var(--disp);font-weight:700;font-size:17px;color:var(--ink);margin:0 0 6px}
.card__simple{margin:0 0 14px;color:var(--muted);font-size:14px;flex:1}
.card__foot{display:flex;flex-direction:column;gap:11px}
.card__price{font-family:var(--disp);font-weight:900;font-size:24px;color:var(--orange-600);direction:ltr;text-align:start}
.card__price--ask{font-size:16px;font-weight:700;color:var(--muted)}
.card__tech{border-top:1px dashed var(--line);padding-top:10px}
.card__tech summary{cursor:pointer;font-family:var(--disp);font-weight:700;font-size:13.5px;color:var(--ink);list-style:none}
.card__tech summary::-webkit-details-marker{display:none}
.card__tech summary::before{content:"▸";color:var(--orange);margin-inline-end:6px;display:inline-block;transition:.15s}
.card__tech[open] summary::before{transform:rotate(90deg)}
.spec{width:100%;border-collapse:collapse;margin-top:10px;font-size:12.5px}
.spec th{text-align:start;color:var(--muted);font-weight:600;padding:4px 0;white-space:nowrap;vertical-align:top}
.spec td{text-align:end;font-family:var(--mono);font-weight:500;color:var(--ink);padding:4px 0;direction:ltr}
.feat{margin:10px 0 0;padding-inline-start:18px;font-size:13px;color:var(--text)}
.feat li{margin:2px 0}
.tech{margin:9px 0 0;font-size:13px;color:var(--text)}
.card__cta{width:100%;justify-content:center;font-size:15px;padding:11px}
.listing__cta{margin-top:36px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;align-items:center;gap:14px}
.listing__cta p{margin:0;font-family:var(--disp);font-weight:600;font-size:18px;color:var(--ink)}
.listing__cta .btn{display:inline-flex}
.listing__cta{flex-flow:row wrap;justify-content:center}
.listing__cta p{flex-basis:100%}

/* ── Footer ─────────────────────────────────────────────────────────────── */
.ftr{background:var(--ink-900);color:#c9d2df;padding:46px 0 20px}
.ftr__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;align-items:start}
.ftr__brand img{height:40px;margin-bottom:12px}
.ftr__brand p{margin:0;max-width:340px;color:var(--muted-2);font-size:14px}
.ftr__nav{display:flex;flex-direction:column;gap:8px}
.ftr__nav a{font-family:var(--disp);font-weight:500}
.ftr__nav a:hover{color:#fff}
.ftr__contact{display:flex;flex-direction:column;gap:12px}
.ftr__contact a{display:flex;align-items:center;gap:9px}
.ftr__contact svg{width:18px;height:18px;color:var(--orange)}
.ftr__contact a:hover{color:#fff}
.ftr__note{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;color:var(--muted-2)}

/* ── Floating WhatsApp ──────────────────────────────────────────────────── */
.wafab{position:fixed;inset-block-end:22px;inset-inline-start:22px;z-index:70;width:58px;height:58px;border-radius:50%;background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(241,90,12,.5);transition:.15s}
.wafab:hover{transform:scale(1.08);background:var(--orange-600)}
.wafab svg{width:30px;height:30px}

/* ── Animations ─────────────────────────────────────────────────────────── */
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width:1080px){.grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:900px){
  .navtoggle{display:flex}
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;background:var(--ink);padding:12px 22px 20px;gap:2px;border-bottom:1px solid rgba(255,255,255,.08);transform:translateY(-120%);transition:.25s;margin:0}
  .nav.open{transform:none}
  .nav a{font-size:17px;padding:12px}
  .hdr__phone strong{display:none}
  .hdr__phone{padding:9px 11px}
  .tiles,.guide__grid{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr)}
  .ftr__grid{grid-template-columns:1fr 1fr}
  .pagehead__in{gap:16px}
}
@media (max-width:560px){
  .grid{grid-template-columns:1fr 1fr;gap:13px}
  .card__title{font-size:15px}
  .card__body{padding:13px}
  .hero{padding:52px 0 60px}
  .ftr__grid{grid-template-columns:1fr}
  .guide__cta{flex-direction:column;text-align:center}
  .pagehead__ic{width:56px;height:56px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}