/* ============================================================
   AL KARAM COMPUTERS (AKC) — main.css
   Sophisticated dark/neutral theme. Restrained accents.
   No frameworks. Vanilla CSS.
   ============================================================ */

:root{
  --bg:#0d0f12;
  --bg-soft:#111418;
  --surface:#151920;
  --surface-2:#1a1f27;
  --surface-3:#20262f;
  --border:rgba(255,255,255,.08);
  --border-soft:rgba(255,255,255,.05);
  --text:#eef1f4;
  --muted:#9aa4af;
  --faint:#6d7681;
  --accent:#2fd49a;            /* emerald green — primary tech accent */
  --accent-strong:#25b983;
  --accent-dim:rgba(47,212,154,.12);
  --accent-line:rgba(47,212,154,.35);
  --cyan:#3fd4e0;              /* sparing secondary accent */
  --danger:#e5605e;
  --warn:#e8b34b;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --font-display:'Space Grotesk','Inter',system-ui,sans-serif;
  --maxw:1200px;
  --header-h:72px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* subtle top glow — controlled, not neon */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 420px at 50% -120px, rgba(47,212,154,.07), transparent 70%),
    radial-gradient(700px 500px at 90% 110%, rgba(63,212,224,.04), transparent 70%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
::selection{background:rgba(47,212,154,.28)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.18;letter-spacing:-.01em;font-weight:700}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-title{font-size:clamp(26px,3.4vw,38px);margin-bottom:10px}
.section-sub{color:var(--muted);max-width:640px;margin-bottom:40px}
.section{padding:96px 0}
.section.alt{background:var(--bg-soft);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:10px;font-weight:600;font-size:15px;
  border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:linear-gradient(180deg,var(--accent),var(--accent-strong));color:#06281c;box-shadow:0 8px 24px rgba(47,212,154,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(47,212,154,.35)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent-line);background:rgba(47,212,154,.08);transform:translateY(-2px)}
.btn-dark{background:#0a0c0e;border-color:var(--border);color:var(--text)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:100;
  background:rgba(13,15,18,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 10px 30px rgba(0,0,0,.4)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;border-radius:11px;flex:none;
  background:linear-gradient(145deg,#1d232c,#10141a);
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;font-size:15px;letter-spacing:.02em;
  color:var(--accent);position:relative;overflow:hidden;
}
.brand-mark::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(47,212,154,.18) 50%,transparent 70%)}
.brand-text{line-height:1.25}
.brand-text strong{font-family:var(--font-display);font-size:17px;letter-spacing:.06em;display:block}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none}
.nav-links a{padding:9px 14px;border-radius:8px;font-size:15px;color:var(--muted);font-weight:500;transition:.18s}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--accent)}
.nav-cta{display:flex;align-items:center;gap:12px}
.hamburger{display:none;background:none;border:1px solid var(--border);border-radius:8px;width:42px;height:42px;color:var(--text);font-size:20px}

/* ---------- Hero ---------- */
.hero{padding:calc(var(--header-h) + 64px) 0 88px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(36px,5vw,58px);margin-bottom:18px}
.hero h1 .accent{color:var(--accent)}
.hero p.lead{color:var(--muted);font-size:18px;max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-points{display:flex;gap:26px;flex-wrap:wrap}
.hero-points div{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--muted)}
.hero-points svg{flex:none}

/* Interactive PC stage */
.pc-stage{
  position:relative;perspective:1400px;user-select:none;-webkit-user-select:none;
  touch-action:pan-y;cursor:grab;
}
.pc-stage:active{cursor:grabbing}
.pc-tilt{transform-style:preserve-3d;will-change:transform;position:relative}
.pc-frame{
  border-radius:20px;overflow:hidden;position:relative;
  border:1px solid var(--border);
  background:linear-gradient(160deg,#171c23,#0e1116);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
  aspect-ratio:4/4.6;
}
.pc-frame img{width:100%;height:100%;object-fit:cover;pointer-events:none}
.pc-glare{
  position:absolute;inset:0;pointer-events:none;border-radius:20px;
  background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.10) 48%,transparent 58%);
  mix-blend-mode:screen;opacity:.5;
}
.pc-base-glow{
  position:absolute;left:8%;right:8%;bottom:-26px;height:60px;z-index:-1;
  background:radial-gradient(50% 50% at 50% 50%,rgba(47,212,154,.22),transparent 70%);
  filter:blur(18px);
}
.pc-hint{
  position:absolute;left:50%;bottom:14px;transform:translateX(-50%);
  font-size:12.5px;color:var(--muted);background:rgba(10,12,14,.72);
  border:1px solid var(--border);padding:7px 14px;border-radius:99px;
  display:flex;align-items:center;gap:8px;backdrop-filter:blur(6px);white-space:nowrap;
}
.pc-chip{
  position:absolute;z-index:3;font-size:12.5px;font-weight:600;
  background:rgba(16,19,24,.85);border:1px solid var(--border);
  padding:8px 13px;border-radius:99px;backdrop-filter:blur(8px);
  display:flex;align-items:center;gap:7px;box-shadow:0 8px 22px rgba(0,0,0,.4);
  will-change:transform;white-space:nowrap;
}
.pc-chip i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.pc-chip.c1{top:12%;left:-24px}
.pc-chip.c2{top:44%;right:-30px}
.pc-chip.c3{bottom:16%;left:-16px}

/* ---------- Cards / grids ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:linear-gradient(170deg,var(--surface),var(--bg-soft));
  border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:28px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-5px);border-color:var(--accent-line);box-shadow:var(--shadow)}
.card h3{font-size:18px;margin:14px 0 8px}
.card p{color:var(--muted);font-size:14.5px}
.icon-tile{
  width:48px;height:48px;border-radius:12px;flex:none;
  background:var(--accent-dim);border:1px solid var(--accent-line);
  display:flex;align-items:center;justify-content:center;color:var(--accent);
}

/* ---------- Build cards ---------- */
.builds-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.build-card{
  background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius);
  overflow:hidden;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.build-card:hover{transform:translateY(-6px);border-color:var(--accent-line);box-shadow:var(--shadow)}
.build-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0a0c0f}
.build-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.build-card:hover .build-media img{transform:scale(1.045)}
.build-cat{
  position:absolute;top:12px;left:12px;font-size:12px;font-weight:600;
  background:rgba(10,12,14,.8);border:1px solid var(--border);color:var(--accent);
  padding:5px 12px;border-radius:99px;backdrop-filter:blur(6px);
}
.build-flag{
  position:absolute;top:12px;right:12px;font-size:12px;font-weight:600;
  background:var(--accent);color:#06281c;padding:5px 12px;border-radius:99px;
}
.build-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.build-body h3{font-size:19px}
.build-desc{color:var(--muted);font-size:14px;flex:0}
.build-specs{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;margin:6px 0;font-size:13px;color:var(--muted)}
.build-specs b{color:var(--text);font-weight:600}
.build-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid var(--border-soft)}
.price{font-family:var(--font-display);font-size:21px;font-weight:700;color:var(--accent)}
.price small{font-size:13px;color:var(--faint);font-family:var(--font-body);font-weight:400}

/* ---------- Filters ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.chip-btn{
  background:var(--surface);border:1px solid var(--border);color:var(--muted);
  padding:9px 18px;border-radius:99px;font-size:14px;font-weight:500;transition:.18s;
}
.chip-btn:hover{color:var(--text);border-color:var(--accent-line)}
.chip-btn.on{background:var(--accent-dim);border-color:var(--accent-line);color:var(--accent)}

/* ---------- Build detail ---------- */
.detail-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.gallery-main{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#0a0c0f;aspect-ratio:16/11}
.gallery-main img{width:100%;height:100%;object-fit:cover}
.gallery-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.gallery-thumbs button{border:2px solid transparent;border-radius:10px;overflow:hidden;width:84px;height:60px;background:#0a0c0f;padding:0;transition:.18s}
.gallery-thumbs button img{width:100%;height:100%;object-fit:cover}
.gallery-thumbs button.on{border-color:var(--accent)}
.detail-info h1{font-size:clamp(28px,3.6vw,40px);margin:8px 0 12px}
.detail-price{font-family:var(--font-display);font-size:30px;color:var(--accent);font-weight:700;margin:16px 0}
.spec-table{width:100%;border-collapse:collapse;margin:22px 0;background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius);overflow:hidden;font-size:14.5px}
.spec-table th,.spec-table td{text-align:left;padding:12px 18px;border-bottom:1px solid var(--border-soft)}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.spec-table th{color:var(--faint);font-weight:600;width:38%;background:rgba(255,255,255,.015)}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.unavail{
  background:rgba(229,96,94,.1);border:1px solid rgba(229,96,94,.35);color:#f0a3a1;
  padding:14px 18px;border-radius:10px;font-size:14.5px;margin:16px 0;
}

/* ---------- Process / steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius);padding:26px;position:relative}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--font-display);font-size:15px;font-weight:700;color:var(--accent);
  display:block;margin-bottom:12px;letter-spacing:.08em;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(150deg,#141a17,#0f1412 60%);
  border:1px solid var(--accent-line);border-radius:20px;
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 200px at 20% 0%,rgba(47,212,154,.12),transparent 70%);pointer-events:none}
.cta-banner h2{font-size:clamp(24px,3vw,34px);margin-bottom:8px;position:relative}
.cta-banner p{color:var(--muted);position:relative}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--muted)}
.field input,.field select,.field textarea{
  background:#0e1116;border:1px solid var(--border);border-radius:10px;color:var(--text);
  padding:12px 15px;font-size:15px;font-family:inherit;transition:border-color .18s,box-shadow .18s;width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent-line);box-shadow:0 0 0 3px rgba(47,212,154,.12)}
.field textarea{min-height:130px;resize:vertical}
.field .hint{font-size:12.5px;color:var(--faint)}
.form-err{color:#f0a3a1;font-size:13.5px;min-height:20px}
.form-ok{background:rgba(47,212,154,.1);border:1px solid var(--accent-line);color:var(--accent);padding:14px 18px;border-radius:10px;margin-bottom:18px;font-size:14.5px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.contact-card{background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius);padding:26px;display:flex;gap:16px;align-items:flex-start;margin-bottom:16px}
.contact-card h3{font-size:16px;margin-bottom:4px}
.contact-card p,.contact-card a{color:var(--muted);font-size:14.5px}
.contact-card a:hover{color:var(--accent)}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--border-soft);background:#0a0c0f;padding:64px 0 28px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
.footer-grid h4{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);margin-bottom:16px}
.footer-grid ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-grid ul a{color:var(--muted);font-size:14.5px;transition:.15s}
.footer-grid ul a:hover{color:var(--accent)}
.footer-about{color:var(--muted);font-size:14.5px;margin-top:14px;max-width:320px}
.footer-bottom{border-top:1px solid var(--border-soft);padding-top:24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--faint);font-size:13px}

/* ---------- Chatbot ---------- */
.chat-fab{
  position:fixed;right:24px;bottom:24px;z-index:200;width:58px;height:58px;border-radius:50%;
  background:linear-gradient(160deg,var(--accent),var(--accent-strong));border:none;color:#06281c;
  display:flex;align-items:center;justify-content:center;box-shadow:0 12px 32px rgba(47,212,154,.35);
  transition:transform .2s ease;
}
.chat-fab:hover{transform:translateY(-3px) scale(1.04)}
.chat-panel{
  position:fixed;right:24px;bottom:94px;z-index:200;width:370px;max-width:calc(100vw - 40px);height:500px;max-height:calc(100vh - 130px);
  background:#12151b;border:1px solid var(--border);border-radius:18px;overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow);
  transform:translateY(16px) scale(.97);opacity:0;pointer-events:none;transition:.25s ease;
}
.chat-panel.open{transform:none;opacity:1;pointer-events:auto}
.chat-head{background:linear-gradient(150deg,#17201b,#12161b);border-bottom:1px solid var(--border-soft);padding:16px 18px;display:flex;align-items:center;gap:12px}
.chat-head .avatar{width:38px;height:38px;border-radius:11px;background:var(--accent-dim);border:1px solid var(--accent-line);display:flex;align-items:center;justify-content:center;color:var(--accent);font-family:var(--font-display);font-weight:700;font-size:14px}
.chat-head strong{font-size:15px;display:block}
.chat-head span{font-size:12px;color:var(--accent);display:flex;align-items:center;gap:6px}
.chat-head span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.chat-close{margin-left:auto;background:none;border:none;color:var(--muted);font-size:20px}
.chat-body{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px}
.msg{max-width:85%;padding:11px 15px;border-radius:14px;font-size:14px;line-height:1.55;animation:msgIn .25s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.msg.bot{background:var(--surface-2);border:1px solid var(--border-soft);border-top-left-radius:4px;align-self:flex-start}
.msg.user{background:linear-gradient(160deg,var(--accent),var(--accent-strong));color:#06281c;border-top-right-radius:4px;align-self:flex-end;font-weight:500}
.msg.typing{display:flex;gap:5px;padding:14px 16px}
.msg.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.1s infinite}
.msg.typing i:nth-child(2){animation-delay:.18s}.msg.typing i:nth-child(3){animation-delay:.36s}
@keyframes blink{0%,100%{opacity:.3}50%{opacity:1}}
.chat-input{border-top:1px solid var(--border-soft);padding:12px;display:flex;gap:10px;background:#0e1116}
.chat-input input{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:11px 14px;font-size:14px;font-family:inherit}
.chat-input input:focus{outline:none;border-color:var(--accent-line)}
.chat-input button{background:var(--accent);border:none;border-radius:10px;width:44px;color:#06281c;font-size:17px;flex:none}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{padding:calc(var(--header-h) + 56px) 0 48px;border-bottom:1px solid var(--border-soft);background:var(--bg-soft)}
.page-hero h1{font-size:clamp(30px,4vw,44px);margin-bottom:10px}
.page-hero p{color:var(--muted);max-width:620px}
.breadcrumb{font-size:13px;color:var(--faint);margin-bottom:14px}
.breadcrumb a{color:var(--muted)}.breadcrumb a:hover{color:var(--accent)}

/* ---------- Misc ---------- */
.empty-state{text-align:center;padding:70px 20px;color:var(--muted);border:1px dashed var(--border);border-radius:var(--radius)}
.empty-state h3{color:var(--text);margin-bottom:8px}
.badge{display:inline-block;font-size:12px;font-weight:600;padding:4px 12px;border-radius:99px}
.badge.ok{background:rgba(47,212,154,.12);color:var(--accent);border:1px solid var(--accent-line)}
.badge.off{background:rgba(229,96,94,.1);color:#f0a3a1;border:1px solid rgba(229,96,94,.3)}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .pc-chip.c1{left:6px}.pc-chip.c2{right:6px}.pc-chip.c3{left:6px}
  .builds-grid,.grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .detail-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .nav-links{
    position:fixed;top:var(--header-h);left:0;right:0;flex-direction:column;align-items:stretch;
    background:#101318;border-bottom:1px solid var(--border);padding:14px 20px 20px;gap:2px;
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.22s;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{padding:13px 10px;font-size:16px}
  .hamburger{display:block}
  .nav-cta .btn{padding:10px 16px;font-size:14px}
  .section{padding:64px 0}
  .builds-grid,.grid-3,.grid-4,.steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .cta-banner{padding:36px 26px}
  .chat-panel{right:12px;bottom:86px}
  .chat-fab{right:16px;bottom:16px}
}