/* PCone Lab — AI PCs preview · Lite Modern (matches gaming-pcs / computers) */
:root{
  color-scheme:light;
  --bg:#f7f8fb; --surface:#fff; --surface-soft:#eef1f7; --surface-tint:#f0f4ff;
  --text:#1a2332; --muted:#5b6577; --ink-soft:#41536b;
  --line:#e8eef5; --line-strong:#d5e0ef;
  --orange:#ff7a3d; --orange-hover:#ff6a24; --orange-soft:#fff0e8; --orange-shadow:rgba(255,122,61,.28);
  --blue:#1567d9; --blue-2:#0e4fa8; --blue-soft:#e8f0fc;
  --wa:#25d366; --wa-hover:#1ebe57; --wa-shadow:rgba(37,211,102,.28);
  --radius-sm:12px; --radius-md:16px; --radius-lg:20px; --radius-pill:999px;
  --shadow-soft:0 8px 28px rgba(22,40,60,.06); --shadow-hover:0 14px 40px rgba(22,40,60,.10);
  --wrap:1120px; --font:"Rubik",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ph-bg:#fff8f0; --ph-border:#ffc9a8; --ph-text:#b45309;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased}
html[dir="rtl"] body{font-weight:500}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(var(--wrap),92vw);margin:0 auto}

/* util + simplified header (Lite sticky chrome) */
.hdr-util{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:8px 4vw;font-size:13px;color:var(--muted);background:var(--surface);border-bottom:1px solid var(--line)}
.hdr-util a{color:var(--muted)}.hdr-util a:hover{color:var(--blue)}
.hdr-util-phone{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--blue)!important}
.mainbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(255,255,255,.78);border-bottom:1px solid var(--line)}
.mainbar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;flex-wrap:wrap}
.logo img{height:36px;width:auto}
.logo .lg-on-dark{display:none}
.nav-lite{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.nav-lite a{padding:8px 14px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:var(--muted)}
.nav-lite a:hover,.nav-lite a.is-on{background:var(--surface-soft);color:var(--text)}
.langsw{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;align-items:center}
.langsw a{color:var(--muted);border-bottom:1px solid transparent}
.langsw a:hover{color:var(--blue)}
.langsw .cur{color:var(--orange);font-weight:700}

.preview-banner{margin:16px auto 0;width:min(var(--wrap),92vw);padding:10px 16px;border-radius:12px;
  border:1px dashed var(--ph-border);background:var(--ph-bg);color:#b45309;font-size:13px;font-weight:600;text-align:center}

/* hero — Lite wash */
.hero{position:relative;padding:clamp(40px,6vw,72px) 0 36px;overflow:hidden;
  background:linear-gradient(165deg,#fff 0%,#f0f4ff 42%,#fff5ee 100%)}
.hero::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,61,.12),transparent 70%);top:-80px;inset-inline-end:-60px;pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero-kicker{display:inline-block;font-size:13px;font-weight:700;color:var(--blue);background:var(--blue-soft);
  padding:6px 12px;border-radius:var(--radius-pill);margin:0 0 14px}
.hero h1{font-size:clamp(28px,4.6vw,44px);font-weight:800;line-height:1.15;margin:0 0 14px;letter-spacing:-.02em}
.hero h1 .accent{color:var(--blue)}
.hero-lead{font-size:clamp(15px,2vw,18px);color:var(--muted);max-width:62ch;margin:0 0 22px;line-height:1.65}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink-soft);box-shadow:var(--shadow-soft)}
.chip b{color:var(--orange)}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-pill);
  font-weight:800;font-size:15px;border:1px solid transparent;cursor:pointer;background:var(--orange);color:#fff;
  box-shadow:0 6px 18px var(--orange-shadow)}
.btn:hover{background:var(--orange-hover)}
.btn.ghost{background:var(--surface);color:var(--text);border-color:var(--line);box-shadow:none}
.btn.ghost:hover{box-shadow:var(--shadow-soft)}
.btn.wa{background:var(--wa);box-shadow:0 6px 18px var(--wa-shadow)}
.btn.wa:hover{background:var(--wa-hover)}
.btn.blue{background:var(--blue);box-shadow:0 6px 18px rgba(21,103,217,.28)}
.btn.blue:hover{background:var(--blue-2)}

.section{padding:clamp(40px,6vw,72px) 0}
.section.alt{background:var(--surface)}
.section.tint{background:var(--surface-tint)}
.sec-title{font-size:clamp(22px,3vw,32px);font-weight:800;margin:0 0 12px;letter-spacing:-.02em}
.sec-sub{font-size:16px;color:var(--muted);max-width:68ch;margin:0 0 28px;line-height:1.7}

/* educational cards */
.diff-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:720px){.diff-grid{grid-template-columns:1fr}}
.diff-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 24px;box-shadow:var(--shadow-soft)}
.diff-card h3{margin:0 0 10px;font-size:17px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:10px}
.diff-card h3 .ico{width:36px;height:36px;border-radius:10px;background:var(--blue-soft);color:var(--blue);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.diff-card p{margin:0;font-size:15px;color:var(--muted);line-height:1.65}
.diff-card .note{margin-top:10px;font-size:13px;font-weight:600;color:var(--orange)}

.honest{margin-top:24px;padding:18px 22px;border-radius:var(--radius-md);border:1px solid #c7ddf8;background:var(--blue-soft)}
.honest h3{margin:0 0 8px;font-size:15px;color:var(--blue)}
.honest p{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.6}

/* build cards — like gpc-card / builds flow */
.builds-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
@media(max-width:760px){.builds-grid{grid-template-columns:1fr}}
.build-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:0;overflow:hidden;
  box-shadow:var(--shadow-soft);display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.build-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.build-card.featured{border-color:#ffc9a8;box-shadow:0 8px 28px var(--orange-shadow)}
.build-shot{aspect-ratio:16/9;background:linear-gradient(135deg,#e8f0fc,#fff0e8 55%,#f0f4ff);
  display:flex;align-items:center;justify-content:center;position:relative;border-bottom:1px solid var(--line)}
.build-shot .tier{position:absolute;top:12px;inset-inline-start:12px;padding:5px 12px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);font-size:12px;font-weight:700;color:var(--orange);box-shadow:var(--shadow-soft)}
.build-shot svg{width:56px;height:56px;opacity:.45;color:var(--blue)}
.build-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.build-name{margin:0;font-size:20px;font-weight:800}
.build-price{margin:0;font-size:15px;font-weight:700;color:var(--orange)}
.build-for{margin:0;font-size:14px;color:var(--muted);line-height:1.55}
.fn-specs{display:grid;gap:6px;margin:10px 0 12px}
.fn-spec{display:flex;justify-content:space-between;gap:12px;padding:8px 12px;background:var(--surface-soft);
  border-radius:10px;border:1px dashed var(--ph-border);font-size:13px}
.fn-spec .k{font-weight:700;color:var(--muted);flex-shrink:0}
.fn-spec .v{font-weight:700;color:#b45309;font-family:ui-monospace,Consolas,monospace;text-align:end;word-break:break-word}
.build-why{font-size:14px;color:var(--muted);line-height:1.55;margin:0 0 8px;flex:1}
.build-cta{margin-top:auto;padding-top:6px}
.ph{display:inline;color:#b45309;font-weight:700;font-family:ui-monospace,Consolas,monospace;font-size:12.5px;
  background:var(--ph-bg);padding:1px 6px;border-radius:5px;border:1px dashed var(--ph-border)}

.compare-wrap{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-soft)}
.compare{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
.compare th,.compare td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:start;color:var(--muted)}
.compare th{background:var(--surface-soft);color:var(--text);font-weight:700;white-space:nowrap}
.compare tr:last-child td{border-bottom:none}

.faq{display:grid;gap:10px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:14px 18px;box-shadow:var(--shadow-soft)}
.faq summary{cursor:pointer;font-weight:700;color:var(--text);list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--orange);font-weight:800;font-size:18px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:12px 0 0;font-size:15px;color:var(--muted);line-height:1.65}

.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:800px){.svc-grid{grid-template-columns:1fr}}
.svc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-soft)}
.svc h3{margin:0 0 8px;font-size:16px;color:var(--blue)}
.svc p{margin:0;font-size:14px;color:var(--muted);line-height:1.6}

.cta-box{text-align:center;padding:32px 24px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(165deg,#fff,#f0f4ff 50%,#fff5ee);box-shadow:var(--shadow-soft)}
.cta-box h2{margin:0 0 10px;font-size:clamp(20px,3vw,28px)}
.cta-box p{margin:0 auto 20px;max-width:52ch;color:var(--muted)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

footer{padding:48px 0 110px;background:var(--surface);border-top:1px solid var(--line);margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
@media(max-width:720px){.foot-grid{grid-template-columns:1fr}}
.foot h4{margin:0 0 10px;font-size:14px;color:var(--text)}
.foot p,.foot address{margin:0 0 8px;font-size:14px;color:var(--muted);font-style:normal;line-height:1.65}
.foot a{display:inline;color:var(--blue);font-weight:600}
.hours{font-size:13px!important}

.sticky-cta{position:fixed;inset-inline:0;bottom:0;z-index:40;display:flex;gap:10px;justify-content:center;
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(22,40,60,.06)}
.sticky-cta .btn{flex:1 1 auto;max-width:220px;padding:12px 18px;font-size:14px}

.chat-fab{position:fixed;inset-inline-end:18px;bottom:78px;z-index:45;width:56px;height:56px;border-radius:50%;
  background:var(--wa);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px var(--wa-shadow)}
.chat-fab svg{width:28px;height:28px}
.chat-fab:hover{background:var(--wa-hover)}

.linkrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.linkchip{display:inline-block;padding:8px 14px;border-radius:var(--radius-pill);border:1px solid var(--line);
  background:var(--surface);font-size:13px;font-weight:600;color:var(--muted)}
.linkchip:hover{border-color:var(--orange);color:var(--orange)}

@media(max-width:600px){.sticky-cta .btn{max-width:none}}