/* ============================================================
   Polar Ember Theme — Cool Gray + Ember Red + Ice Blue + Amber
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f5f7fa;--surface:#fff;--surface2:#f0f2f5;
  --dark:#111827;--dark2:#1e293b;--dark3:#0f172a;
  --ember:#dc2626;--ember-hover:#b91c1c;--ember-light:#fef2f2;--ember-glow:rgba(220,38,38,.12);
  --frost:#0ea5e9;--frost-hover:#0284c7;--frost-light:#f0f9ff;
  --amber:#d97706;--amber-light:#fffbeb;
  --violet:#7c3aed;--violet-light:#f5f3ff;
  --emerald:#059669;--emerald-light:#ecfdf5;
  --text:#1f2937;--text2:#6b7280;--text3:#9ca3af;
  --border:#e5e7eb;--border2:#d1d5db;
  --radius:10px;--radius-lg:16px;--radius-xl:24px;
  --shadow:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 12px rgba(0,0,0,.1);--shadow-lg:0 8px 30px rgba(0,0,0,.12);
  --transition:all .25s ease;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans SC",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:var(--ember);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--ember-hover)}
button{cursor:pointer;border:none;font:inherit}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

/* ── RIBBON NAV ── */
.ribbon{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.ribbon-inner{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:0 24px;height:64px}
.ribbon-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;color:var(--dark)}
.ribbon-brand svg{flex-shrink:0}
.ribbon-brand-sub{font-size:.75rem;color:var(--text2);font-weight:400;margin-left:4px}
.ribbon-nav{display:flex;gap:4px;list-style:none}
.ribbon-nav a{position:relative;display:block;padding:8px 18px;font-size:.9rem;font-weight:500;color:var(--text2);border-radius:var(--radius);transition:var(--transition)}
.ribbon-nav a:hover{color:var(--ember);background:var(--ember-light)}
.ribbon-nav a.on{color:var(--ember);font-weight:600}
.ribbon-nav a.on::after{content:'';position:absolute;left:18px;right:18px;bottom:-1px;height:3px;background:var(--ember);border-radius:3px 3px 0 0}
.ribbon-cta{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;background:var(--ember);color:#fff;border-radius:var(--radius);font-size:.85rem;font-weight:600;transition:var(--transition)}
.ribbon-cta:hover{background:var(--ember-hover);color:#fff;transform:translateY(-1px);box-shadow:0 4px 12px rgba(220,38,38,.25)}
.ribbon-mob{display:none;background:none;border:none;width:32px;height:32px;color:var(--dark)}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius);font-size:.95rem;font-weight:600;transition:var(--transition);border:2px solid transparent;cursor:pointer;line-height:1.4}
.btn-ember{background:var(--ember);color:#fff;border-color:var(--ember)}
.btn-ember:hover{background:var(--ember-hover);border-color:var(--ember-hover);color:#fff;transform:translateY(-1px);box-shadow:0 4px 16px rgba(220,38,38,.3)}
.btn-frost{background:var(--frost);color:#fff;border-color:var(--frost)}
.btn-frost:hover{background:var(--frost-hover);border-color:var(--frost-hover);color:#fff;transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--ember);border-color:var(--ember)}
.btn-outline:hover{background:var(--ember);color:#fff}
.btn-outline-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-w:hover{background:#fff;color:var(--dark)}
.btn-white{background:#fff;color:var(--dark);border-color:#fff}
.btn-white:hover{background:var(--surface2);border-color:var(--surface2);color:var(--dark)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--ember);color:var(--ember)}
.btn-lg{padding:16px 36px;font-size:1.05rem;border-radius:var(--radius-lg)}
.btn-sm{padding:8px 18px;font-size:.82rem}

/* ── SECTIONS ── */
.sec{padding:80px 0}
.sec-white{background:var(--surface)}
.sec-gray{background:var(--bg)}
.sec-ember{background:var(--ember-light)}
.sec-dark{background:var(--dark);color:#fff}
.sec-dark2{background:var(--dark2);color:#fff}
.sec-frost{background:var(--frost-light)}
.sec-head{text-align:center;margin-bottom:56px}
.sec-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:20px;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px}
.sec-tag-ember{background:var(--ember-light);color:var(--ember)}
.sec-tag-frost{background:var(--frost-light);color:var(--frost)}
.sec-tag-amber{background:var(--amber-light);color:var(--amber)}
.sec-tag-white{background:rgba(255,255,255,.15);color:#fff}
.sec-tag-dot{width:6px;height:6px;border-radius:50%;background:currentColor}
.sec-title{font-size:2.2rem;font-weight:800;line-height:1.25;margin-bottom:16px;color:var(--dark)}
.sec-title-light{color:#fff}
.sec-sub{font-size:1.1rem;color:var(--text2);max-width:640px;margin:0 auto;line-height:1.7}
.sec-sub-light{color:rgba(255,255,255,.7)}

/* ── HERO ── */
.hero{background:linear-gradient(135deg,var(--dark3) 0%,#1e1b4b 40%,#312e81 100%);color:#fff;padding:100px 0 80px;overflow:hidden;position:relative}
.hero::before{content:'';position:absolute;top:-200px;right:-200px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(220,38,38,.15),transparent 70%);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:-150px;left:-150px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(14,165,233,.12),transparent 70%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:20px;font-size:.8rem;font-weight:500;color:rgba(255,255,255,.8);margin-bottom:24px}
.hero-eyebrow-dot{width:8px;height:8px;border-radius:50%;background:var(--ember);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero-title{font-size:3rem;font-weight:800;line-height:1.15;margin-bottom:20px}
.hero-title .ember{color:var(--ember)}
.hero-title .frost{color:var(--frost)}
.hero-desc{font-size:1.15rem;color:rgba(255,255,255,.7);line-height:1.8;margin-bottom:32px;max-width:500px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-trust{display:flex;gap:24px;flex-wrap:wrap}
.hero-trust-item{display:flex;align-items:center;gap:8px;font-size:.82rem;color:rgba(255,255,255,.6)}
.hero-trust-item svg{color:var(--emerald);flex-shrink:0}

/* Hero Visual — Floating App Window */
.hero-visual{position:relative}
.hero-app{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);overflow:hidden;backdrop-filter:blur(8px)}
.hero-app-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;background:rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.06)}
.hero-app-dot{width:10px;height:10px;border-radius:50%}
.hero-app-dot.r{background:#ef4444}.hero-app-dot.y{background:#eab308}.hero-app-dot.g{background:#22c55e}
.hero-app-title{font-size:.78rem;color:rgba(255,255,255,.5);margin-left:8px}
.hero-app-body{padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hero-mod-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:20px;transition:var(--transition)}
.hero-mod-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.15)}
.hero-mod-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.hmi-blue{background:rgba(59,130,246,.2);color:#60a5fa}
.hmi-green{background:rgba(34,197,94,.2);color:#4ade80}
.hmi-orange{background:rgba(249,115,22,.2);color:#fb923c}
.hmi-red{background:rgba(239,68,68,.2);color:#f87171}
.hero-mod-label{font-size:.82rem;font-weight:600;color:rgba(255,255,255,.9);margin-bottom:4px}
.hero-mod-val{font-size:.72rem;color:rgba(255,255,255,.45)}
.hero-float-badge{position:absolute;padding:10px 16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);backdrop-filter:blur(8px);font-size:.78rem;color:rgba(255,255,255,.8);display:flex;align-items:center;gap:8px}
.hero-float-badge.b1{top:-10px;right:-20px;animation:floatY 4s ease-in-out infinite}
.hero-float-badge.b2{bottom:-10px;left:-20px;animation:floatY 4s ease-in-out infinite .5s}
.hfb-icon{width:24px;height:24px;border-radius:6px;display:flex;align-items:center;justify-content:center}
.hfb-icon.ember{background:rgba(220,38,38,.2);color:var(--ember)}
.hfb-icon.frost{background:rgba(14,165,233,.2);color:var(--frost)}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ── TRUST TICKER ── */
.ticker{background:var(--surface);border-bottom:1px solid var(--border);padding:16px 0;overflow:hidden}
.ticker-track{display:flex;gap:48px;animation:tickerScroll 30s linear infinite;width:max-content}
.ticker-item{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--text2);white-space:nowrap;font-weight:500}
.ticker-item svg{flex-shrink:0;color:var(--frost)}
.ticker-sep{width:4px;height:4px;border-radius:50%;background:var(--border2);flex-shrink:0}
@keyframes tickerScroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ── PANEL CARDS (Why WPS section) ── */
.panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.panel-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 28px;transition:var(--transition);position:relative;overflow:hidden}
.panel-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--ember);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.panel-card:hover::before{transform:scaleX(1)}
.panel-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.panel-card:nth-child(2)::before{background:var(--frost)}
.panel-card:nth-child(3)::before{background:var(--amber)}
.panel-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.pi-ember{background:var(--ember-light);color:var(--ember)}
.pi-frost{background:var(--frost-light);color:var(--frost)}
.pi-amber{background:var(--amber-light);color:var(--amber)}
.pi-violet{background:var(--violet-light);color:var(--violet)}
.pi-emerald{background:var(--emerald-light);color:var(--emerald)}
.panel-name{font-size:1.15rem;font-weight:700;color:var(--dark);margin-bottom:10px}
.panel-desc{font-size:.9rem;color:var(--text2);line-height:1.7;margin-bottom:18px}
.panel-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.panel-list li{display:flex;align-items:flex-start;gap:10px;font-size:.85rem;color:var(--text)}
.panel-list li svg{flex-shrink:0;margin-top:2px;color:var(--emerald)}

/* ── PRODUCT TABS ── */
.ptab-nav{display:flex;gap:4px;justify-content:center;margin-bottom:40px;background:var(--surface2);border-radius:var(--radius);padding:4px;width:fit-content;margin-left:auto;margin-right:auto}
.ptab-btn{padding:10px 24px;border-radius:8px;font-size:.9rem;font-weight:600;color:var(--text2);background:transparent;transition:var(--transition);border:none;cursor:pointer}
.ptab-btn:hover{color:var(--dark)}
.ptab-btn.on{background:var(--surface);color:var(--ember);box-shadow:var(--shadow)}
.ptab-panel{display:none;animation:fadeTab .3s ease}
.ptab-panel.on{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@keyframes fadeTab{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.ptab-info{padding-right:20px}
.ptab-badge{display:inline-block;padding:4px 12px;border-radius:12px;font-size:.72rem;font-weight:600;margin-bottom:14px}
.ptab-badge-blue{background:rgba(59,130,246,.1);color:#3b82f6}
.ptab-badge-green{background:rgba(34,197,94,.1);color:#16a34a}
.ptab-badge-orange{background:rgba(249,115,22,.1);color:#ea580c}
.ptab-badge-red{background:rgba(239,68,68,.1);color:#dc2626}
.ptab-title{font-size:1.5rem;font-weight:700;color:var(--dark);margin-bottom:12px}
.ptab-desc{font-size:.95rem;color:var(--text2);line-height:1.7;margin-bottom:20px}
.ptab-feats{list-style:none;display:flex;flex-direction:column;gap:12px}
.ptab-feat{display:flex;align-items:flex-start;gap:12px;font-size:.9rem;color:var(--text)}
.ptab-feat-dot{width:8px;height:8px;border-radius:50%;background:var(--ember);flex-shrink:0;margin-top:7px}
.ptab-visual{background:var(--surface2);border-radius:var(--radius-lg);padding:32px;display:flex;align-items:center;justify-content:center;min-height:300px;border:1px solid var(--border)}
.ptab-visual-inner{width:100%}
.ptab-mock-bar{display:flex;gap:6px;margin-bottom:16px}
.ptab-mock-dot{width:8px;height:8px;border-radius:50%;background:var(--border2)}
.ptab-mock-lines{display:flex;flex-direction:column;gap:10px}
.ptab-mock-line{height:10px;border-radius:4px;background:var(--border)}
.ptab-mock-line.w100{width:100%}.ptab-mock-line.w85{width:85%}.ptab-mock-line.w70{width:70%}.ptab-mock-line.w55{width:55%}
.ptab-mock-line.hl{background:var(--ember-light)}
.ptab-mock-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.ptab-mock-cell{height:48px;border-radius:6px;background:var(--border)}
.ptab-mock-cell.c1{background:rgba(59,130,246,.1)}.ptab-mock-cell.c2{background:rgba(34,197,94,.1)}.ptab-mock-cell.c3{background:rgba(249,115,22,.1)}

/* ── FEATURE MASONRY ── */
.feat-masonry{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat-masonry .feat-card:nth-child(1){grid-row:span 2}
.feat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;transition:var(--transition)}
.feat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.feat-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.fi-ember{background:var(--ember-light);color:var(--ember)}
.fi-frost{background:var(--frost-light);color:var(--frost)}
.fi-amber{background:var(--amber-light);color:var(--amber)}
.fi-violet{background:var(--violet-light);color:var(--violet)}
.fi-emerald{background:var(--emerald-light);color:var(--emerald)}
.fi-rose{background:#fff1f2;color:#e11d48}
.feat-name{font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:8px}
.feat-desc{font-size:.85rem;color:var(--text2);line-height:1.7}
.feat-card.tall .feat-desc{margin-bottom:16px}
.feat-stat{display:flex;gap:16px;margin-top:16px}
.feat-stat-item{text-align:center}
.feat-stat-num{font-size:1.3rem;font-weight:800;color:var(--ember)}
.feat-stat-lbl{font-size:.7rem;color:var(--text3)}

/* ── PLATFORM CARDS ── */
.plat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.plat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:var(--transition);position:relative}
.plat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.plat-card.featured{border-color:var(--ember);box-shadow:0 0 0 1px var(--ember)}
.plat-badge{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--ember);color:#fff;font-size:.7rem;font-weight:600;padding:3px 12px;border-radius:10px;white-space:nowrap}
.plat-icon{width:52px;height:52px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:var(--surface2)}
.plat-name{font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:4px}
.plat-ver{font-size:.78rem;color:var(--text3);margin-bottom:16px}

/* ── ZIGZAG DEEP FEATURES ── */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:60px}
.zigzag:last-child{margin-bottom:0}
.zigzag.flip .zigzag-media{order:-1}
.zigzag-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:16px;font-size:.75rem;font-weight:600;margin-bottom:14px}
.zb-ember{background:var(--ember-light);color:var(--ember)}
.zb-frost{background:var(--frost-light);color:var(--frost)}
.zb-amber{background:var(--amber-light);color:var(--amber)}
.zb-violet{background:var(--violet-light);color:var(--violet)}
.zigzag-title{font-size:1.6rem;font-weight:700;color:var(--dark);margin-bottom:12px;line-height:1.3}
.zigzag-desc{font-size:.95rem;color:var(--text2);line-height:1.8;margin-bottom:20px}
.zigzag-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.zigzag-list li{display:flex;align-items:flex-start;gap:10px;font-size:.9rem;color:var(--text)}
.zigzag-list li svg{flex-shrink:0;margin-top:3px;color:var(--emerald)}
.zigzag-media{background:var(--surface2);border-radius:var(--radius-lg);padding:32px;border:1px solid var(--border);min-height:280px;display:flex;flex-direction:column;justify-content:center}
.zigzag-media-bar{display:flex;align-items:center;gap:16px;margin-bottom:20px}
.zm-bar-label{font-size:.78rem;color:var(--text2);min-width:80px}
.zm-bar-track{flex:1;height:10px;border-radius:5px;background:var(--border);overflow:hidden}
.zm-bar-fill{height:100%;border-radius:5px;transition:width .6s ease}
.zm-bar-fill.ember{background:var(--ember)}.zm-bar-fill.frost{background:var(--frost)}.zm-bar-fill.amber{background:var(--amber)}.zm-bar-fill.emerald{background:var(--emerald)}
.zm-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.zm-stat{text-align:center;padding:16px;background:var(--surface);border-radius:var(--radius);border:1px solid var(--border)}
.zm-stat-num{font-size:1.2rem;font-weight:800;color:var(--ember)}
.zm-stat-num.frost{color:var(--frost)}.zm-stat-num.amber{color:var(--amber)}
.zm-stat-lbl{font-size:.7rem;color:var(--text3)}

/* ── REVIEWS ── */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;transition:var(--transition)}
.rev-card:hover{box-shadow:var(--shadow-md)}
.rev-stars{display:flex;gap:3px;margin-bottom:14px;color:var(--amber)}
.rev-text{font-size:.9rem;color:var(--text);line-height:1.7;margin-bottom:18px;font-style:italic}
.rev-footer{display:flex;align-items:center;gap:12px}
.rev-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;color:#fff}
.av-ember{background:var(--ember)}.av-frost{background:var(--frost)}.av-amber{background:var(--amber)}.av-violet{background:var(--violet)}.av-emerald{background:var(--emerald)}.av-rose{background:#e11d48}
.rev-name{font-size:.85rem;font-weight:600;color:var(--dark)}
.rev-role{font-size:.75rem;color:var(--text3)}

/* ── STATS COUNTER ── */
.stats-bar{padding:48px 0}
.stats-row{display:flex;justify-content:center;gap:60px;flex-wrap:wrap}
.stat-item{text-align:center}
.stat-num{font-size:2.4rem;font-weight:800;background:linear-gradient(135deg,var(--ember),var(--frost));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-lbl{font-size:.82rem;color:rgba(255,255,255,.6);margin-top:4px}

/* ── COMPARISON TABLE ── */
.cmp-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--surface)}
.cmp-table{width:100%;border-collapse:collapse;font-size:.88rem}
.cmp-table th{padding:14px 18px;text-align:left;font-weight:600;background:var(--surface2);border-bottom:2px solid var(--border);color:var(--dark);white-space:nowrap}
.cmp-table td{padding:12px 18px;border-bottom:1px solid var(--border);color:var(--text)}
.cmp-table tr:last-child td{border-bottom:none}
.cmp-hl{background:var(--ember-light) !important;font-weight:600}
.cmp-yes{color:var(--emerald);font-weight:600}
.cmp-no{color:var(--text3)}
.cmp-part{color:var(--amber);font-weight:500}

/* ── FAQ 2-COL GRID ── */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--border2)}
.faq-item.open{border-color:var(--ember)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;font-size:.92rem;font-weight:600;color:var(--dark);gap:12px;user-select:none}
.faq-q:hover{color:var(--ember)}
.faq-chevron{width:20px;height:20px;flex-shrink:0;color:var(--text3);transition:transform .25s ease}
.faq-item.open .faq-chevron{transform:rotate(180deg);color:var(--ember)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-a-inner{padding:0 20px 18px;font-size:.88rem;color:var(--text2);line-height:1.7}

/* ── CTA BANNER ── */
.cta-banner{background:linear-gradient(135deg,var(--dark3) 0%,#312e81 50%,#4c1d95 100%);color:#fff;padding:60px 0;text-align:center;position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;top:-100px;right:-100px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(220,38,38,.15),transparent 70%);pointer-events:none}
.cta-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;background:rgba(255,255,255,.1);border-radius:16px;font-size:.75rem;color:rgba(255,255,255,.7);margin-bottom:16px}
.cta-title{font-size:2rem;font-weight:800;margin-bottom:12px}
.cta-desc{font-size:1.05rem;color:rgba(255,255,255,.65);margin-bottom:28px;max-width:500px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ── DOWNLOAD PAGE ── */
.dl-hero{background:linear-gradient(135deg,var(--dark3) 0%,#1e1b4b 50%,#312e81 100%);color:#fff;padding:80px 0;text-align:center}
.dl-hero-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:16px;font-size:.78rem;color:rgba(255,255,255,.7);margin-bottom:20px}
.dl-hero-title{font-size:2.4rem;font-weight:800;margin-bottom:12px}
.dl-hero-sub{font-size:1.1rem;color:rgba(255,255,255,.6);max-width:560px;margin:0 auto}

.dl-main{max-width:560px;margin:-40px auto 0;position:relative;z-index:2;background:var(--surface);border-radius:var(--radius-xl);padding:40px;box-shadow:var(--shadow-lg);border:1px solid var(--border);text-align:center}
.dl-main-head{display:flex;align-items:center;gap:16px;justify-content:center;margin-bottom:24px}
.dl-main-icon{width:56px;height:56px;border-radius:14px;background:var(--ember-light);display:flex;align-items:center;justify-content:center;color:var(--ember)}
.dl-main-name{font-size:1.4rem;font-weight:700;color:var(--dark)}
.dl-main-meta{font-size:.78rem;color:var(--text3)}
.dl-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}
.dl-spec{background:var(--surface2);border-radius:var(--radius);padding:14px;text-align:center}
.dl-spec-label{font-size:.72rem;color:var(--text3);margin-bottom:4px}
.dl-spec-val{font-size:.88rem;font-weight:600;color:var(--dark)}
.dl-sec-badge{display:flex;align-items:center;gap:8px;justify-content:center;padding:10px;background:var(--emerald-light);border-radius:var(--radius);font-size:.8rem;color:var(--emerald);font-weight:500;margin-bottom:24px}
.dl-main-btns{display:flex;flex-direction:column;gap:10px}

/* Other platforms grid */
.op-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.op-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;text-align:center;transition:var(--transition)}
.op-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.op-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;background:var(--surface2)}
.op-name{font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:4px}
.op-ver{font-size:.78rem;color:var(--text3);margin-bottom:12px}
.op-desc{font-size:.82rem;color:var(--text2);margin-bottom:16px;line-height:1.6}

/* Guide */
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.guide-col-title{font-size:1.1rem;font-weight:700;color:var(--dark);margin-bottom:24px;display:flex;align-items:center;gap:10px}
.guide-col-dot{width:10px;height:10px;border-radius:50%}
.guide-col-dot.ember{background:var(--ember)}.guide-col-dot.frost{background:var(--frost)}
.guide-steps{display:flex;flex-direction:column;gap:20px}
.gstep{display:flex;gap:16px;align-items:flex-start}
.gstep-num{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;color:#fff;flex-shrink:0}
.gstep-num.ember{background:var(--ember)}.gstep-num.frost{background:var(--frost)}
.gstep-body{flex:1}
.gstep-title{font-size:.92rem;font-weight:600;color:var(--dark);margin-bottom:4px}
.gstep-desc{font-size:.82rem;color:var(--text2);line-height:1.6}

/* Requirements */
.req-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.req-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center}
.req-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;background:var(--surface2);color:var(--frost)}
.req-title{font-size:.82rem;font-weight:600;color:var(--dark);margin-bottom:4px}
.req-val{font-size:.78rem;color:var(--text2)}

/* Version log */
.ver-list{display:flex;flex-direction:column;gap:0;padding-left:20px}
.ver-item{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--border)}
.ver-item:last-child{border-bottom:none}
.ver-dot-col{display:flex;flex-direction:column;align-items:center;position:relative;padding-top:4px}
.ver-dot{width:14px;height:14px;border-radius:50%;flex-shrink:0}
.ver-dot.ember{background:var(--ember)}.ver-dot.frost{background:var(--frost)}.ver-dot.amber{background:var(--amber)}.ver-dot.violet{background:var(--violet)}.ver-dot.emerald{background:var(--emerald)}
.ver-line{flex:1;width:2px;background:var(--border);margin-top:8px}
.ver-body{flex:1}
.ver-head{display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap}
.ver-num{font-size:.95rem;font-weight:700;color:var(--dark)}
.ver-tag{padding:2px 10px;border-radius:10px;font-size:.68rem;font-weight:600}
.ver-tag.stable{background:var(--emerald-light);color:var(--emerald)}
.ver-tag.lts{background:var(--frost-light);color:var(--frost)}
.ver-tag.beta{background:var(--amber-light);color:var(--amber)}
.ver-date{font-size:.78rem;color:var(--text3);margin-bottom:6px}
.ver-desc{font-size:.85rem;color:var(--text2);line-height:1.6}

/* Security banner */
.sec-banner{display:flex;align-items:center;gap:16px;padding:24px 28px;background:var(--emerald-light);border:1px solid rgba(5,150,105,.15);border-radius:var(--radius-lg)}
.sec-banner-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(5,150,105,.15);color:var(--emerald);flex-shrink:0}
.sec-banner-title{font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:4px}
.sec-banner-desc{font-size:.85rem;color:var(--text2);line-height:1.6}

/* ── ARTICLE PAGE ── */
.art-hero{background:linear-gradient(135deg,var(--dark3) 0%,#1e1b4b 60%,#312e81 100%);color:#fff;padding:80px 0 60px}
.art-hero-inner{max-width:800px}
.art-hero-breadcrumb{font-size:.8rem;color:rgba(255,255,255,.5);margin-bottom:16px;display:flex;gap:8px;align-items:center}
.art-hero-breadcrumb a{color:rgba(255,255,255,.5)}
.art-hero-breadcrumb a:hover{color:rgba(255,255,255,.8)}
.art-hero-title{font-size:2.2rem;font-weight:800;line-height:1.25;margin-bottom:14px}
.art-hero-title .ember{color:var(--ember)}
.art-hero-sub{font-size:1.05rem;color:rgba(255,255,255,.6);line-height:1.7}
.kw-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.kw{display:inline-block;padding:5px 14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:16px;font-size:.75rem;color:rgba(255,255,255,.7)}

.art-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.art-body{background:var(--surface);border-radius:var(--radius-lg);padding:40px;border:1px solid var(--border)}
.art-body h2{font-size:1.5rem;font-weight:700;color:var(--dark);margin:36px 0 16px;padding-bottom:10px;border-bottom:2px solid var(--ember-light)}
.art-body h2:first-child{margin-top:0}
.art-body h3{font-size:1.15rem;font-weight:600;color:var(--dark);margin:24px 0 10px}
.art-body p{font-size:.95rem;color:var(--text);line-height:1.85;margin-bottom:16px}
.art-body ul,.art-body ol{padding-left:24px;margin-bottom:16px}
.art-body li{font-size:.92rem;color:var(--text);line-height:1.8;margin-bottom:6px}
.art-body strong{color:var(--dark);font-weight:600}
.art-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.88rem}
.art-body table th{padding:10px 14px;text-align:left;background:var(--surface2);font-weight:600;color:var(--dark);border:1px solid var(--border)}
.art-body table td{padding:10px 14px;border:1px solid var(--border);color:var(--text)}

.inline-cta{background:linear-gradient(135deg,var(--ember-light),var(--frost-light));border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;margin:28px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.inline-cta-body{flex:1}
.inline-cta-title{font-size:1.1rem;font-weight:700;color:var(--dark);margin-bottom:4px}
.inline-cta-desc{font-size:.88rem;color:var(--text2)}

/* Sidebar */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:84px}
.sbox{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}
.sbox-title{font-size:.95rem;font-weight:700;color:var(--dark);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--ember-light)}
.sdl-btn{display:flex;align-items:center;gap:10px;width:100%;padding:12px 16px;border-radius:var(--radius);font-size:.88rem;font-weight:600;text-align:left;margin-bottom:8px;transition:var(--transition);border:1px solid var(--border);background:var(--surface);color:var(--dark);cursor:pointer}
.sdl-btn:last-child{margin-bottom:0}
.sdl-btn:hover{border-color:var(--ember);color:var(--ember)}
.sdl-btn.primary{background:var(--ember);color:#fff;border-color:var(--ember)}
.sdl-btn.primary:hover{background:var(--ember-hover)}
.stoc{list-style:none;display:flex;flex-direction:column;gap:0}
.stoc li{border-bottom:1px solid var(--border)}
.stoc li:last-child{border-bottom:none}
.stoc a{display:block;padding:10px 0;font-size:.85rem;color:var(--text2);transition:var(--transition)}
.stoc a:hover{color:var(--ember);padding-left:6px}
.sstat{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sstat-item{text-align:center;padding:12px;background:var(--surface2);border-radius:var(--radius)}
.sstat-num{font-size:1.1rem;font-weight:700;color:var(--ember)}
.sstat-lbl{font-size:.7rem;color:var(--text3)}
.side-security{display:flex;align-items:flex-start;gap:10px;padding:14px;background:var(--emerald-light);border-radius:var(--radius);font-size:.8rem;color:var(--emerald);line-height:1.5}
.side-security svg{flex-shrink:0;margin-top:2px}

/* ── FOOTER ── */
.site-footer{background:var(--dark);color:rgba(255,255,255,.5);padding:40px 0}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center}
.footer-brand{font-size:1rem;font-weight:700;color:#fff}
.footer-security{display:flex;align-items:center;gap:8px;font-size:.82rem;color:rgba(255,255,255,.6)}
.footer-security svg{color:var(--emerald);flex-shrink:0}
.footer-note{font-size:.75rem;color:rgba(255,255,255,.35);max-width:600px;line-height:1.6}

/* ── TIPS GRID ── */
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}
.tip-card{background:var(--surface2);border-radius:var(--radius);padding:20px;border:1px solid var(--border)}
.tip-num{font-size:.7rem;font-weight:700;color:var(--ember);margin-bottom:6px}
.tip-title{font-size:.9rem;font-weight:600;color:var(--dark);margin-bottom:6px}
.tip-desc{font-size:.82rem;color:var(--text2);line-height:1.6}

/* ── RESPONSIVE ── */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-desc{margin:0 auto 32px}
  .hero-actions{justify-content:center}
  .hero-trust{justify-content:center}
  .hero-visual{max-width:500px;margin:40px auto 0}
  .panel-grid{grid-template-columns:1fr}
  .ptab-panel.on{grid-template-columns:1fr}
  .feat-masonry{grid-template-columns:repeat(2,1fr)}
  .feat-masonry .feat-card:nth-child(1){grid-row:span 1}
  .zigzag{grid-template-columns:1fr;gap:30px}
  .zigzag.flip .zigzag-media{order:0}
  .rev-grid{grid-template-columns:repeat(2,1fr)}
  .plat-row{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr}
  .art-layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .guide-grid{grid-template-columns:1fr}
  .req-grid{grid-template-columns:repeat(2,1fr)}
  .op-grid{grid-template-columns:1fr}
  .tips-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .ribbon-nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--border);flex-direction:column;padding:16px;box-shadow:var(--shadow-lg)}
  .ribbon-nav.show{display:flex}
  .ribbon-nav a.on::after{display:none}
  .ribbon-cta{display:none}
  .ribbon-mob{display:block}
  .hero{padding:80px 0 60px}
  .hero-title{font-size:2rem}
  .sec{padding:60px 0}
  .sec-title{font-size:1.8rem}
  .feat-masonry{grid-template-columns:1fr}
  .plat-row{grid-template-columns:1fr}
  .rev-grid{grid-template-columns:1fr}
  .stats-row{gap:32px}
  .stat-num{font-size:1.8rem}
  .dl-specs{grid-template-columns:1fr}
  .req-grid{grid-template-columns:1fr}
  .tips-grid{grid-template-columns:1fr}
  .hero-app-body{grid-template-columns:1fr}
  .ptab-nav{flex-wrap:wrap}
  .art-hero-title{font-size:1.6rem}
}
@media(max-width:480px){
  .hero-title{font-size:1.6rem}
  .hero-float-badge{display:none}
  .sec-title{font-size:1.5rem}
  .cta-title{font-size:1.5rem}
  .dl-hero-title{font-size:1.8rem}
  .dl-main{padding:24px}
}