:root{--ah-bg:#0b0c0e;--ah-panel:#151519;--ah-panel2:#1c1d22;--ah-line:#2b2c31;--ah-gold:#d4a24c;--ah-gold2:#f0c775;--ah-text:#f4f1ec;--ah-muted:#a3a6ad;--ah-red:#c1443a;--ah-green:#4caf7d}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ah-bg);color:var(--ah-text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,system-ui,sans-serif;line-height:1.5}
a{text-decoration:none;color:inherit}
img,svg{max-width:100%;display:block}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.mono-badge{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:99px;background:color-mix(in srgb,var(--ah-gold) 12%,transparent);border:1px solid color-mix(in srgb,var(--ah-gold) 40%,transparent);color:var(--ah-gold2);font-size:11px;font-weight:800;letter-spacing:.09em}

/* ---- Nav ---- */
.ah-nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--ah-bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--ah-line)}
.ah-nav .wrap{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:20px}
.ah-logo{font-size:22px;font-weight:900;letter-spacing:.02em;color:var(--ah-text)}
.ah-logo b{color:var(--ah-gold)}
.ah-links{display:flex;gap:26px;align-items:center;font-size:14px;font-weight:700;color:var(--ah-muted)}
.ah-links a:hover{color:var(--ah-gold2)}
.ah-links a.active{color:var(--ah-gold2)}
.ah-cta{display:flex;align-items:center;gap:12px}
.ah-menu-btn{display:none;background:none;border:1px solid var(--ah-line);color:var(--ah-text);border-radius:10px;padding:9px 11px;font-size:18px;cursor:pointer}
@media(max-width:900px){.ah-links{display:none}.ah-menu-btn{display:inline-flex}.ah-nav.open .ah-links{display:flex;position:absolute;top:100%;left:0;right:0;background:var(--ah-bg);flex-direction:column;padding:18px 24px;border-bottom:1px solid var(--ah-line);gap:16px}}

/* ---- Buttons ---- */
.ah-btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--ah-gold),var(--ah-gold2));color:#171102;border:0;border-radius:11px;padding:13px 20px;font-weight:850;font-size:14.5px;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}
.ah-btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px color-mix(in srgb,var(--ah-gold) 30%,transparent)}
.ah-btn2{background:transparent;color:var(--ah-text);border:1px solid var(--ah-line)}
.ah-btn2:hover{border-color:var(--ah-gold);color:var(--ah-gold2);transform:translateY(-2px)}
.ah-btn-wa{background:#25D366;color:#062b16}
.ah-btn-sm{padding:9px 14px;font-size:13px;border-radius:9px}
.ah-btn-block{width:100%;justify-content:center}

/* ---- Hero ---- */
.ah-hero{padding:64px 0 40px;position:relative;overflow:hidden}
.ah-hero::before{content:"";position:absolute;top:-140px;right:-160px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--ah-gold) 20%,transparent),transparent 70%);pointer-events:none}
.ah-hero h1{font-size:clamp(36px,6vw,64px);line-height:1.04;margin:16px 0;font-weight:900;letter-spacing:-.01em}
.ah-hero p.lead{color:var(--ah-muted);font-size:18px;max-width:560px;line-height:1.65}
.ah-hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}

/* ---- Sections / cards ---- */
section{padding:56px 0}
.ah-sectionhead{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.ah-sectionhead h2{font-size:clamp(26px,4vw,38px);margin:10px 0 0;font-weight:900}
.ah-sectionhead p{color:var(--ah-muted);margin:0;max-width:460px}
.ah-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ah-grid-2{grid-template-columns:repeat(2,1fr)}
.ah-grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.ah-grid,.ah-grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.ah-grid,.ah-grid-2,.ah-grid-4{grid-template-columns:1fr}}

.ah-card{background:linear-gradient(155deg,var(--ah-panel2),var(--ah-panel));border:1px solid var(--ah-line);border-radius:18px;overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.ah-card:hover{transform:translateY(-5px);border-color:color-mix(in srgb,var(--ah-gold) 45%,var(--ah-line));box-shadow:0 20px 45px #0007}
.ah-card-body{padding:18px 20px 20px}
.ah-card-media{background:linear-gradient(160deg,#22242a,#101114);padding:14px 18px 0;position:relative}
.ah-fav-btn{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;background:#000a;border:1px solid var(--ah-line);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;z-index:2}
.ah-fav-btn.active{color:var(--ah-red);border-color:var(--ah-red)}
.ah-compare-check{position:absolute;top:14px;left:14px;z-index:2;display:flex;align-items:center;gap:6px;background:#000a;border:1px solid var(--ah-line);border-radius:8px;padding:6px 10px;font-size:12px;font-weight:800;color:var(--ah-text);cursor:pointer}
.ah-compare-check input{accent-color:var(--ah-gold)}
.ah-condition{position:absolute;bottom:10px;left:18px;z-index:2;background:color-mix(in srgb,var(--ah-gold) 85%,#000);color:#171102;font-size:11px;font-weight:900;padding:4px 10px;border-radius:99px;letter-spacing:.04em}
.ah-card h3{margin:0 0 2px;font-size:19px;font-weight:850}
.ah-card .price{color:var(--ah-gold2);font-weight:900;font-size:20px;margin:10px 0 2px}
.ah-card .spec-row{display:flex;gap:12px;flex-wrap:wrap;color:var(--ah-muted);font-size:12.5px;margin:10px 0 14px}
.ah-card .spec-row span{display:flex;align-items:center;gap:5px}

/* ---- Filters (inventory) ---- */
.ah-filters{background:var(--ah-panel);border:1px solid var(--ah-line);border-radius:16px;padding:18px;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:28px;align-items:end}
.ah-filters label{display:block;font-size:11px;font-weight:800;color:var(--ah-muted);letter-spacing:.06em;margin-bottom:6px}
.ah-filters select,.ah-filters input{width:100%;background:var(--ah-panel2);border:1px solid var(--ah-line);border-radius:9px;color:var(--ah-text);padding:10px 11px;font-size:14px;font-family:inherit}
@media(max-width:900px){.ah-filters{grid-template-columns:repeat(2,1fr)}}
.ah-results-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;color:var(--ah-muted);font-size:14px;flex-wrap:wrap;gap:10px}
.ah-empty{padding:60px 20px;text-align:center;color:var(--ah-muted);border:1px dashed var(--ah-line);border-radius:16px}

/* ---- Compare bar ---- */
.ah-compare-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--ah-panel);border-top:1px solid var(--ah-line);padding:14px 0;transform:translateY(110%);transition:transform .3s ease}
.ah-compare-bar.show{transform:translateY(0)}
.ah-compare-bar .wrap{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.ah-compare-chip{background:var(--ah-panel2);border:1px solid var(--ah-line);border-radius:9px;padding:7px 11px;font-size:13px;display:flex;align-items:center;gap:8px}
.ah-compare-chip button{background:none;border:0;color:var(--ah-muted);cursor:pointer;font-size:14px}

/* ---- Forms ---- */
.ah-form{display:grid;gap:14px}
.ah-form label{font-size:12.5px;font-weight:800;color:var(--ah-muted);letter-spacing:.04em;display:block;margin-bottom:6px}
.ah-form input,.ah-form select,.ah-form textarea{width:100%;background:var(--ah-panel2);border:1px solid var(--ah-line);border-radius:10px;color:var(--ah-text);padding:12px 13px;font-size:14.5px;font-family:inherit}
.ah-form textarea{min-height:100px;resize:vertical}
.ah-form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.ah-form-row{grid-template-columns:1fr}}

/* ---- Detail page ---- */
.ah-gallery-main{border-radius:18px;overflow:hidden;background:linear-gradient(160deg,#22242a,#101114);padding:26px}
.ah-gallery-thumbs{display:flex;gap:10px;margin-top:12px}
.ah-gallery-thumbs .thumb{flex:1;border-radius:10px;background:linear-gradient(160deg,#22242a,#101114);border:2px solid transparent;cursor:pointer;padding:10px}
.ah-gallery-thumbs .thumb.active{border-color:var(--ah-gold)}
.ah-spec-table{width:100%;border-collapse:collapse}
.ah-spec-table tr{border-bottom:1px solid var(--ah-line)}
.ah-spec-table td{padding:12px 4px;font-size:14.5px}
.ah-spec-table td:first-child{color:var(--ah-muted)}
.ah-spec-table td:last-child{text-align:right;font-weight:800}
.ah-feature-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;padding:0;margin:0;list-style:none}
.ah-feature-list li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--ah-text)}
.ah-feature-list li::before{content:"✓";color:var(--ah-gold);font-weight:900}
@media(max-width:640px){.ah-feature-list{grid-template-columns:1fr}}

/* ---- Footer ---- */
.ah-footer{border-top:1px solid var(--ah-line);padding:44px 0 26px;margin-top:60px}
.ah-footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
.ah-footer h4{margin:0 0 12px;font-size:13px;letter-spacing:.06em;color:var(--ah-muted)}
.ah-footer a{display:block;color:var(--ah-text);font-weight:700;font-size:14px;margin-bottom:9px}
.ah-footer a:hover{color:var(--ah-gold2)}
.ah-footer-bottom{grid-column:1/-1;border-top:1px solid var(--ah-line);margin-top:8px;padding-top:18px;color:var(--ah-muted);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.ah-footer-bottom a{display:inline;margin:0;color:var(--ah-gold2);font-weight:800}
@media(max-width:800px){.ah-footer .wrap{grid-template-columns:1fr}}

/* ---- Scroll reveal (immediate if in viewport — see nx-scroll.js lesson) ---- */
/* Content is visible by default — never gated on JS running. JS adds
   .ah-anim-ready only to elements it's about to animate on scroll, so if JS
   is slow, blocked, or fails entirely, every card/section is still there. */
.ah-reveal{opacity:1}
.ah-reveal.ah-anim-ready{opacity:0;transform:translateY(22px);transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1)}
.ah-reveal.ah-anim-ready.is-visible{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){.ah-reveal{opacity:1!important;transform:none!important;transition:none!important}}

.ah-toast{position:fixed;left:50%;bottom:90px;transform:translate(-50%,20px);opacity:0;background:#151519;color:#f4f1ec;border:1px solid var(--ah-line);border-radius:12px;padding:12px 18px;font-size:14px;font-weight:700;box-shadow:0 14px 40px #0008;z-index:999;pointer-events:none;transition:opacity .25s ease,transform .25s ease;max-width:86vw;text-align:center}
.ah-toast.show{opacity:1;transform:translate(-50%,0)}

.ah-case-stat{background:var(--ah-panel);border:1px solid var(--ah-line);border-radius:14px;padding:18px}
.ah-case-stat strong{display:block;font-size:26px;color:var(--ah-gold2)}
.ah-case-stat span{color:var(--ah-muted);font-size:12.5px}