/* ===== Panels & grids ===== */
.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm)}
.panel-2{background:var(--panel-2)}
.panel-grid{display:grid;grid-template-columns:1fr;gap:1.25rem}
@media(min-width:640px){.panel-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:780px){.panel-grid{grid-template-columns:repeat(3,1fr)}.panel-grid.cols-2{grid-template-columns:repeat(2,1fr)}.panel-grid.cols-4{grid-template-columns:repeat(4,1fr)}}
.data-panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.data-panel:hover{transform:translateY(-2px);border-color:var(--system);box-shadow:var(--shadow-md)}
/* ===== Hero ===== */
.hero-terminal{background:var(--panel);border-bottom:1px solid var(--border);padding:clamp(2.5rem,6vw,4.5rem) 0}
.hero-grid{display:grid;grid-template-columns:1fr;gap:2rem;align-items:center}
@media(min-width:780px){.hero-grid{grid-template-columns:1.1fr 1fr}}
.hero-terminal h1{margin-bottom:1rem}
.hero-terminal .lead{font-size:1.15rem;color:var(--muted);margin-bottom:1.5rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem}
/* Animated gradient border hero mock */
.animated-border{position:relative;border-radius:var(--radius);padding:2px;background:linear-gradient(120deg,var(--bull),var(--system),var(--bull));background-size:300% 300%;animation:borderflow 6s ease infinite}
@keyframes borderflow{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
@media(prefers-reduced-motion:reduce){.animated-border{animation:none}}
.terminal-mock{background:var(--panel);border-radius:calc(var(--radius) - 2px);padding:1.25rem;font-variant-numeric:tabular-nums}
.terminal-row{display:flex;justify-content:space-between;padding:.5rem 0;border-bottom:1px solid var(--panel-2);font-size:.95rem}
.terminal-row:last-child{border:none}
/* ===== Ticker marquee ===== */
.ticker-strip{background:var(--text-light);color:#f4f6f9;padding:0}
.ticker-strip *{color:inherit}
.ticker-viewport{overflow:hidden;width:100%}
.ticker-marquee{display:flex;width:max-content;animation:marquee 30s linear infinite}
.ticker-viewport:hover .ticker-marquee,.ticker-viewport:focus-within .ticker-marquee{animation-play-state:paused}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.ticker-marquee{animation:none}}
.ticker-track{display:flex;flex-shrink:0}
.ticker-item{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-size:.9rem;font-variant-numeric:tabular-nums;white-space:nowrap;border-right:1px solid rgba(255,255,255,.1)}
.ticker-sym{font-weight:700}
.stats-marquee .ticker-marquee{animation-duration:60s}
/* ===== Filter chips ===== */
.chip-row{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-bottom:1.5rem}
.chip{padding:.4rem 1rem;border-radius:999px;border:1px solid var(--border);background:var(--panel);font-size:.9rem;font-weight:600;color:var(--muted);transition:all .15s ease}
.chip.is-active,.chip:hover{background:var(--system);color:#fff;border-color:var(--system)}
.symbol-row{transition:opacity .2s ease}
.symbol-row.is-hidden{display:none}
/* ===== Comparison matrix / tables ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel)}
.cmp-table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:560px}
.cmp-table th,.cmp-table td{padding:.85rem 1rem;text-align:left;border-bottom:1px solid var(--panel-2);font-variant-numeric:tabular-nums}
.cmp-table thead th{background:var(--panel-2);font-family:var(--font-display);position:sticky;top:0;cursor:pointer;user-select:none}
.cmp-table thead th[data-sort]::after{content:'\2195';margin-left:.4rem;color:var(--muted);font-size:.8em}
.cmp-table tbody tr:hover{background:var(--panel-2)}
.cmp-table td.col-hi,.cmp-table th.col-hi{background:rgba(59,130,246,.1)}
.cmp-table.diff-on tr[data-diff='no']{opacity:.35}
.row-expand-detail{display:none}
.row-expand-detail.open{display:table-row}
.row-expand-detail td{background:var(--panel-2);font-size:.88rem;color:var(--muted)}
.row-toggle{cursor:pointer}
.row-toggle::before{content:'\25B8';margin-right:.4rem;display:inline-block;transition:transform .15s ease}
tr.open .row-toggle::before{transform:rotate(90deg)}
.badge{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.75rem;font-weight:700}
.badge-bull{background:rgba(0,197,130,.15);color:#008f5d}
.badge-bear{background:rgba(255,74,90,.15);color:#c92a3a}
.badge-system{background:rgba(59,130,246,.15);color:#2f6ad9}
.last-updated-badge{background:var(--panel-2);color:var(--muted);padding:.3rem .8rem;border-radius:999px;font-size:.8rem;display:inline-block}
/* status badge states */
.status-badge{display:inline-flex;align-items:center;gap:.4rem;padding:.25rem .7rem;border-radius:999px;font-size:.78rem;font-weight:700}
.status-badge::before{content:'';width:8px;height:8px;border-radius:50%;background:currentColor}
.status-pending{background:rgba(59,130,246,.12);color:#2f6ad9}
.status-processing{background:rgba(255,165,0,.14);color:#b06b00}
.status-complete{background:rgba(0,197,130,.14);color:#008f5d}
/* ===== Tabs ===== */
.tab-list{display:flex;flex-wrap:wrap;gap:.25rem;border-bottom:2px solid var(--border);margin-bottom:1.5rem}
.tab-btn{padding:.7rem 1.2rem;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .15s ease,border-color .15s ease}
.tab-btn.is-active{color:var(--text-light);border-bottom-color:var(--bull)}
.tab-panel{display:none}
.tab-panel.is-active{display:block;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
/* vertical tabs */
.vtabs{display:grid;grid-template-columns:1fr;gap:1rem}
@media(min-width:780px){.vtabs{grid-template-columns:220px 1fr}.vtabs .tab-list{flex-direction:column;border-bottom:none;border-right:2px solid var(--border);margin-bottom:0}.vtabs .tab-btn{border-bottom:none;border-right:2px solid transparent;margin:0 -2px 0 0;text-align:left}.vtabs .tab-btn.is-active{border-right-color:var(--bull)}}
/* ===== Segmented control ===== */
.seg-control{display:inline-flex;background:var(--panel-2);border-radius:999px;padding:.25rem;gap:.25rem;margin-bottom:1.25rem}
.seg-btn{padding:.5rem 1.2rem;border-radius:999px;font-weight:600;font-size:.9rem;color:var(--muted);transition:all .15s ease}
.seg-btn.is-active{background:var(--panel);color:var(--text-light);box-shadow:var(--shadow-sm)}
.seg-panel{display:none}
.seg-panel.is-active{display:block}
/* ===== Accordion ===== */
.accordion-item,.faq-item,.checklist-item{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.75rem;overflow:hidden}
.accordion-trigger{width:100%;text-align:left;padding:1rem 1.25rem;font-weight:600;font-family:var(--font-display);display:flex;justify-content:space-between;align-items:center;gap:1rem}
.accordion-trigger::after{content:'+';font-size:1.4rem;color:var(--system);transition:transform .2s ease;line-height:1}
.accordion-item.open .accordion-trigger::after,.faq-item.open .accordion-trigger::after,.checklist-item.open .accordion-trigger::after{content:'\2212'}
.accordion-body,.faq-body,.checklist-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.accordion-body>*,.faq-body>*,.checklist-body>*{padding:0 1.25rem}
.accordion-body>*:first-child,.faq-body>*:first-child,.checklist-body>*:first-child{padding-top:.25rem}
.accordion-body>*:last-child,.faq-body>*:last-child,.checklist-body>*:last-child{padding-bottom:1.25rem}
/* ===== Expand cards ===== */
.expand-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;transition:border-color .15s ease}
.expand-card.open{border-color:var(--system)}
.expand-trigger{display:flex;justify-content:space-between;align-items:center;width:100%;font-weight:600;font-family:var(--font-display)}
.expand-trigger::after{content:'+';color:var(--system);font-size:1.3rem}
.expand-card.open .expand-trigger::after{content:'\2212'}
.expand-body{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted)}
.expand-card.open .expand-body{max-height:600px;padding-top:.75rem}
/* ===== Steps / Stepper ===== */
.steps{display:grid;grid-template-columns:1fr;gap:1.25rem;counter-reset:step}
@media(min-width:780px){.steps.cols-3{grid-template-columns:repeat(3,1fr)}.steps.cols-4{grid-template-columns:repeat(4,1fr)}}
.step{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;position:relative;counter-increment:step}
.step::before{content:counter(step);display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--bull);color:#fff;font-weight:700;font-family:var(--font-display);margin-bottom:.75rem}
.step h3{font-size:1.1rem;margin-bottom:.4rem}
.step p{color:var(--muted);font-size:.95rem;margin:0}
.step.is-active{border-color:var(--bull);box-shadow:var(--shadow-md)}
/* stepper rail */
.step-rail{position:relative}
.step-rail::before{content:'';position:absolute;left:18px;top:0;bottom:0;width:2px;background:var(--border)}
.step-rail .step{padding-left:3.5rem}
.step-rail .step::before{position:absolute;left:0;top:1.5rem;margin:0}
/* progress bar */
.progress-rail{height:8px;background:var(--panel-2);border-radius:999px;overflow:hidden;margin:1rem 0}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--bull),var(--system));width:0;transition:width .4s ease}
.proc-bar{height:10px;background:var(--panel-2);border-radius:999px;overflow:hidden;margin:.4rem 0}
.proc-bar>span{display:block;height:100%;background:var(--system);border-radius:999px;width:0;transition:width .8s ease}
/* ===== Timeline ===== */
.timeline{position:relative;padding-left:2rem}
.timeline::before{content:'';position:absolute;left:7px;top:0;bottom:0;width:2px;background:var(--border)}
.timeline-item{position:relative;padding-bottom:1.75rem}
.timeline-item::before{content:'';position:absolute;left:-2rem;top:.3rem;width:16px;height:16px;border-radius:50%;background:var(--panel);border:3px solid var(--bull);margin-left:0}
.timeline-item .t-year{font-weight:700;color:var(--system)}
/* horizontal timeline */
.timeline-h{display:flex;gap:1rem;overflow-x:auto;padding-bottom:1rem}
.timeline-h .th-item{flex:0 0 200px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;position:relative}
.timeline-h .th-item::before{content:'';position:absolute;top:-6px;left:1.25rem;width:12px;height:12px;border-radius:50%;background:var(--bull)}
/* ===== Values / benefits grid ===== */
.icon-card{text-align:center;padding:1.75rem 1.25rem}
.icon-card .ic-emoji{font-size:2rem;display:block;margin-bottom:.75rem;transition:transform .2s ease}
.icon-card:hover .ic-emoji,.channel-card:hover .ic-emoji{transform:scale(1.15) translateY(-2px)}
.channel-card{display:flex;gap:1rem;align-items:flex-start;padding:1.25rem;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius)}
.channel-card .ic-emoji{font-size:1.8rem;transition:transform .2s ease}
/* ===== Card flip ===== */
.flip-card{background:transparent;perspective:1000px;min-height:200px}
.flip-inner{position:relative;width:100%;height:100%;min-height:200px;transition:transform .5s ease;transform-style:preserve-3d}
.flip-card.is-flipped .flip-inner{transform:rotateY(180deg)}
.flip-face{position:absolute;inset:0;backface-visibility:hidden;border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;background:var(--panel);display:flex;flex-direction:column;justify-content:center}
.flip-back{transform:rotateY(180deg);background:var(--panel-2)}
/* ===== Kanban ===== */
.kanban{display:grid;grid-template-columns:1fr;gap:1rem}
@media(min-width:780px){.kanban{grid-template-columns:repeat(3,1fr)}}
.kanban-col{background:var(--panel-2);border-radius:var(--radius);padding:1rem;transition:background .2s ease}
.kanban-col.is-hover{background:#e2e8f2}
.kanban-col h4{margin-bottom:.75rem}
.kanban-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.85rem;margin-bottom:.6rem;font-size:.9rem}
/* ===== Tooltips ===== */
.tip{position:relative;border-bottom:1px dashed var(--system);cursor:help}
.tip-pop{position:absolute;bottom:130%;left:50%;transform:translateX(-50%);background:var(--text-light);color:#f4f6f9;padding:.5rem .75rem;border-radius:var(--radius-sm);font-size:.8rem;width:max-content;max-width:220px;opacity:0;pointer-events:none;transition:opacity .15s ease;z-index:60}
.tip-pop *{color:inherit}
.tip.is-open .tip-pop,.tip:hover .tip-pop{opacity:1}
/* ===== Tier cards ===== */
.tier-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.75rem;transition:transform .2s ease,box-shadow .2s ease}
.tier-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(59,130,246,.18)}
.tier-card .tier-name{color:var(--system);font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:.85rem}
/* ===== Lightbox / modal ===== */
.lightbox-overlay,.modal-overlay{position:fixed;inset:0;background:rgba(20,24,32,.85);display:none;align-items:center;justify-content:center;z-index:1300;padding:1rem}
.lightbox-overlay.open,.modal-overlay.open{display:flex}
.lightbox-overlay img{max-width:90vw;max-height:85vh;border-radius:var(--radius)}
.modal-box{background:var(--panel);border-radius:var(--radius);padding:2rem;max-width:560px;width:100%}
.modal-close,.lightbox-close{position:absolute;top:1rem;right:1rem;font-size:2rem;color:#fff;background:none;line-height:1}
.zoomable{cursor:zoom-in;transition:transform .2s ease}
/* ===== Browser mock ===== */
.browser-mock{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--panel);box-shadow:var(--shadow-md)}
.browser-bar{background:var(--panel-2);padding:.6rem 1rem;display:flex;align-items:center;gap:.5rem;border-bottom:1px solid var(--border)}
.browser-dot{width:11px;height:11px;border-radius:50%;background:var(--border)}
.browser-url{flex:1;background:var(--panel);border-radius:999px;padding:.3rem .9rem;font-size:.8rem;color:var(--muted);margin-left:.5rem}
.browser-body{padding:1.5rem;min-height:240px}
.browser-body.zoomed{transform:scale(1.05);transition:transform .3s ease}
/* device toggle */
.device-frame{margin:0 auto;transition:max-width .3s ease}
.device-frame.mobile{max-width:340px}
.device-frame.desktop{max-width:100%}
/* ===== Sticky sidebar / TOC ===== */
.layout-sidebar{display:grid;grid-template-columns:1fr;gap:2rem}
@media(min-width:780px){.layout-sidebar{grid-template-columns:240px 1fr}}
.toc{position:sticky;top:90px;align-self:start}
.toc a{display:block;padding:.4rem .6rem;color:var(--muted);font-size:.9rem;border-left:2px solid transparent}
.toc a.is-active{color:var(--system);border-left-color:var(--system);font-weight:600}
.sidebar-collapsed .toc{display:none}
.prose h2{margin:2rem 0 .75rem}
.prose h3{margin:1.5rem 0 .5rem}
.prose p,.prose li{color:#333a44}
.prose ul{list-style:disc;padding-left:1.5rem;margin-bottom:1rem}
/* collapsible sections */
.collapse-section{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:1rem;background:var(--panel)}
.collapse-head{padding:1rem 1.25rem;font-weight:600;font-family:var(--font-display);display:flex;justify-content:space-between;cursor:pointer}
.collapse-head::after{content:'+';color:var(--system)}
.collapse-section.open .collapse-head::after{content:'\2212'}
.collapse-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.collapse-body>div{padding:0 1.25rem 1.25rem}
/* ===== CTA band ===== */
.cta-band{background:var(--text-light);color:#f4f6f9;text-align:center;border-radius:var(--radius)}
.cta-band *{color:inherit}
.cta-band h2{color:#f4f6f9}
.cta-official{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;text-align:center}
.copy-url{display:inline-flex;align-items:center;gap:.5rem;background:var(--panel-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.5rem .9rem;font-family:monospace;font-size:.9rem;margin:.75rem 0}
.copy-btn{color:var(--system);font-weight:700;font-size:.85rem}
/* cta pulse */
.cta-pulse{animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(0,197,130,.4)}50%{box-shadow:0 0 0 12px rgba(0,197,130,0)}}
@media(prefers-reduced-motion:reduce){.cta-pulse{animation:none}}
/* ripple */
.ripple{position:relative;overflow:hidden}
.ripple-circle{position:absolute;border-radius:50%;background:rgba(255,255,255,.5);transform:scale(0);animation:ripple .6s linear;pointer-events:none}
@keyframes ripple{to{transform:scale(3);opacity:0}}
/* ===== Dual / sticky CTA ===== */
.dual-cta{display:grid;grid-template-columns:1fr;gap:1rem;text-align:center}
@media(min-width:640px){.dual-cta{grid-template-columns:1fr 1fr}}
.sticky-cta-bar{position:fixed;bottom:0;left:0;right:0;background:var(--panel);border-top:1px solid var(--border);padding:.75rem var(--space);display:flex;gap:.75rem;align-items:center;justify-content:space-between;z-index:900;transform:translateY(110%);transition:transform .3s ease;box-shadow:0 -4px 20px rgba(20,24,32,.1)}
.sticky-cta-bar.is-visible{transform:translateY(0)}
.sticky-cta-bar .btn{flex-shrink:0}
.sticky-cta-bar .sc-text{font-size:.9rem;font-weight:600}
/* ===== Back to top ===== */
#back-to-top{position:fixed;bottom:1.5rem;right:1.5rem;width:46px;height:46px;border-radius:50%;background:var(--system);color:#fff;font-size:1.2rem;display:none;align-items:center;justify-content:center;box-shadow:var(--shadow-md);z-index:880}
#back-to-top.is-visible{display:flex}
/* ===== Breadcrumb ===== */
.breadcrumb{font-size:.85rem;color:var(--muted);padding:1rem 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb span{margin:0 .4rem}
/* ===== Parallax band ===== */
.parallax-band{position:relative;overflow:hidden;background:var(--panel-2)}
.parallax-inner{will-change:transform}
/* ===== Number ticker ===== */
.num-ticker{font-variant-numeric:tabular-nums;font-weight:800;font-family:var(--font-display);color:var(--system)}
/* ===== Split panel ===== */
.split-panel{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:780px){.split-panel{grid-template-columns:1fr 1fr}}
/* ===== Search ===== */
.search-box{width:100%;max-width:480px;margin:0 auto 1.5rem;display:block;padding:.85rem 1.25rem;border:1px solid var(--border);border-radius:999px;background:var(--panel);font-size:1rem}
.faq-item.is-filtered{display:none}
/* range slider */
.cmp-slider{width:100%;margin:1rem 0}
.slider-readout{font-weight:700;color:var(--system)}
/* toggle matrix */
.matrix-table td .yes{color:var(--bull);font-weight:700}
.matrix-table td .no{color:var(--bear);font-weight:700}
/* expand-all toolbar */
.acc-toolbar{display:flex;gap:.75rem;justify-content:flex-end;margin-bottom:1rem}
/* print toggle */
body.print-mode .site-header,body.print-mode .site-footer,body.print-mode .sticky-cta-bar,body.print-mode #back-to-top{display:none}
/* drawer */
.drawer-overlay{position:fixed;inset:0;background:rgba(20,24,32,.5);display:none;z-index:1250}
.drawer-overlay.open{display:block}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(420px,90vw);background:var(--panel);transform:translateX(100%);transition:transform .3s ease;z-index:1260;padding:2rem;overflow-y:auto;box-shadow:-8px 0 30px rgba(20,24,32,.15)}
.drawer.open{transform:translateX(0)}
.drawer-close{position:absolute;top:1rem;right:1rem;font-size:1.6rem}
/* card stack */
.card-stack{position:relative;min-height:220px}
.stack-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;transition:transform .3s ease,opacity .3s ease;box-shadow:var(--shadow-sm)}
.stack-nav{display:flex;gap:.5rem;justify-content:center;margin-top:1rem}
.methods-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:1rem}
.method-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;text-align:center;transition:transform .15s ease,border-color .15s ease;cursor:pointer}
.method-card:hover{transform:translateY(-2px);border-color:var(--system)}
.method-card.is-hidden{display:none}
.security-tips,.checklist-list{margin-top:1rem}