*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:64px}
:root{
  --paper:#f3ece0;--paper-warm:#ede4d2;
  --ink:#1a1410;--ink-soft:#3a2f25;--ink-dim:#857361;--ink-faint:#b9ac98;
  --accent:#1f3a68;--accent-deep:#0e2240;
  --tech:#c44518;--fashion:#c4396a;--music:#7a52d4;--food:#cf8a18;--language:#3aa8a2;--work:#3d8a45;
  --rule:rgba(26,20,16,.18);--rule-faint:rgba(26,20,16,.08);
  --serif:'Instrument Serif',Georgia,serif;
  --display:'Domine',Georgia,serif;
  --sans:'Space Grotesk',ui-sans-serif,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
html,body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body{min-height:100vh}
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:200;opacity:.35;background:radial-gradient(circle at 20% 30%,rgba(31,58,104,.05) 0,transparent 50%),radial-gradient(circle at 80% 70%,rgba(58,168,162,.04) 0,transparent 50%)}

.header{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:32px;padding:18px 40px;border-bottom:1px solid var(--rule);background:rgba(243,236,224,.88);backdrop-filter:blur(10px) saturate(140%);-webkit-backdrop-filter:blur(10px) saturate(140%)}
.logo{font-family:var(--display);font-weight:700;font-size:18px;color:var(--ink);letter-spacing:-.02em;white-space:nowrap;text-decoration:none}
.menu{display:flex;gap:24px;font-size:13px;flex-wrap:wrap}
.menu-item{color:var(--ink-dim);cursor:pointer;transition:color .15s,border-color .15s;text-decoration:none;padding:4px 0;border-bottom:1px solid transparent}
.menu-item:hover{color:var(--accent)}
.menu-item.active{color:var(--ink);border-bottom-color:var(--accent)}
.clock{margin-left:auto;font-family:var(--mono);font-size:11px;color:var(--ink-dim);letter-spacing:.06em;white-space:nowrap}

.title-bar{padding:clamp(56px,9vw,120px) 40px clamp(24px,3vw,40px);border-bottom:1px solid var(--rule);position:relative;z-index:2;max-width:1100px;margin:0 auto;text-align:left;scroll-margin-top:64px}
.kicker{font-size:12px;color:var(--accent);letter-spacing:.18em;text-transform:uppercase;margin-bottom:18px;font-weight:500}
.question{font-family:var(--serif);font-size:clamp(56px,10vw,148px);font-weight:400;color:var(--ink);letter-spacing:-.02em;line-height:1.02;margin-bottom:28px}
.question em{font-style:italic;color:var(--accent)}
.subtitle{font-size:18px;color:var(--ink-soft);line-height:1.5;max-width:640px;font-weight:300}
.subtitle .cta{color:var(--ink);font-weight:500;border-bottom:1px solid var(--accent);padding-bottom:1px}

.loom-hero{padding:clamp(28px,4vh,56px) 40px clamp(48px,7vh,96px);position:relative;z-index:2;max-width:1100px;margin:0 auto;border-bottom:1px solid var(--rule);scroll-margin-top:64px}

.branch-bar{display:flex;justify-content:center;gap:4px;padding:0;position:relative;z-index:2;flex-wrap:wrap;max-width:1100px;margin:clamp(28px,4vh,48px) auto 0;align-items:center}
.branch-bar::before{content:'reading';font-size:11px;color:var(--ink-faint);margin-right:14px;letter-spacing:.12em;font-family:var(--mono);text-transform:uppercase}
.branch-tab{padding:7px 13px;font-size:13px;color:var(--ink-dim);cursor:pointer;background:transparent;transition:all .2s;display:inline-flex;align-items:center;gap:8px;border-radius:999px;font-weight:500;text-transform:lowercase}
.branch-tab .swatch{width:8px;height:8px;background:var(--bc,var(--ink));border-radius:50%}
.branch-tab:hover{color:var(--bc,var(--ink));background:rgba(26,20,16,.04)}
.branch-tab.active{color:#fff;background:var(--bc,var(--ink))}
.branch-tab.active .swatch{background:#fff}

.timeline-frame{position:relative;margin:0 auto;background:var(--paper-warm);overflow:hidden;z-index:2;max-width:1100px}
.rail{display:none}
#timeline-svg{width:100%;height:clamp(360px,52vh,520px);display:block;background:var(--paper-warm)}
.timeline-caption{max-width:1100px;margin:0 auto;padding:18px 40px 28px;border-bottom:1px solid var(--rule);position:relative;z-index:2;display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;font-size:13px;color:var(--ink-dim)}

.status-bar{display:flex;gap:32px;padding:18px 40px;border-bottom:1px solid var(--rule);background:var(--paper);font-family:var(--mono);font-size:11px;letter-spacing:.04em;flex-wrap:wrap;position:relative;z-index:2;max-width:1100px;margin:0 auto;color:var(--ink-dim)}
.status-item{display:flex;gap:8px}
.status-item strong{color:var(--ink);font-weight:500;font-family:var(--mono)}
.status-item.alert strong{color:var(--accent);text-transform:uppercase}
.dot-blink{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);animation:blink 1.4s infinite;margin-right:6px;vertical-align:middle}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

.main-grid{display:grid;grid-template-columns:1.1fr 1fr;border-bottom:1px solid var(--rule);position:relative;z-index:2;max-width:1100px;margin:0 auto}
@media(max-width:900px){.main-grid{grid-template-columns:1fr}.panel:first-child{border-right:none;border-bottom:1px solid var(--rule)}}
.panel{padding:48px 40px}
.panel:first-child{border-right:1px solid var(--rule);padding-right:48px}
.panel:last-child{padding-left:48px}
.panel-header{font-family:var(--display);font-size:22px;color:var(--ink);margin-bottom:6px;font-weight:600;letter-spacing:-.01em;display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-bottom:none;padding-bottom:0;flex-wrap:wrap}
.panel-header > span:first-child{flex:1 1 auto;min-width:0;line-height:1.2}
.panel-header > .dot-blink{flex-shrink:0;align-self:center}
.panel-header .count{font-size:13px;color:var(--ink-dim);font-weight:400}
.panel-sub{font-size:14px;color:var(--ink-dim);margin-bottom:24px;line-height:1.5}

.tl-row{display:grid;grid-template-columns:1fr 72px;gap:16px;padding:18px 0;border-bottom:1px solid var(--rule-faint);align-items:baseline;cursor:pointer;transition:all .2s;position:relative}
.tl-row:hover{padding-left:6px}
.tl-row:last-of-type{border-bottom:none}
.tl-name{font-family:var(--display);font-size:17px;color:var(--ink);font-weight:500;text-transform:lowercase}
.tl-meta{font-size:12px;color:var(--ink-dim);margin-top:4px;text-transform:lowercase}
.tl-amp{font-family:var(--display);font-size:28px;color:var(--p-color,var(--ink));text-align:right;font-variant-numeric:tabular-nums;font-weight:600;line-height:1}
.tl-amp::after{content:'%';font-size:14px;color:var(--ink-dim);margin-left:1px;font-weight:400}
.tl-bar-track{grid-column:1 / -1;height:2px;background:var(--rule-faint);margin-top:12px;position:relative}
.tl-bar-fill{position:absolute;left:0;top:0;height:2px;background:var(--p-color,var(--ink));transition:width .4s}

.conv-card{padding:28px 26px 24px;border:1px solid var(--rule);margin-bottom:14px;background:var(--paper-warm);cursor:pointer;transition:all .2s;border-left:3px solid var(--bc,var(--accent))}
.conv-card:hover{background:#fff}
.conv-head{display:flex;flex-direction:column;gap:14px;margin-bottom:14px}
.conv-meta{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-family:var(--sans);font-size:11px;color:var(--ink-dim);letter-spacing:.04em;text-transform:lowercase;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--rule-faint)}
.conv-meta .score{font-family:var(--mono);color:var(--bc,var(--accent));font-weight:600}
.conv-name{font-family:var(--serif);font-size:26px;color:var(--ink);line-height:1.15;font-weight:400;text-transform:none;letter-spacing:-.005em}
.conv-name em{font-style:italic;color:var(--bc,var(--accent))}
.conv-desc{font-family:var(--serif);font-size:17px;color:var(--ink-soft);line-height:1.45;margin-bottom:12px;font-style:italic}
.conv-pressures{font-family:var(--sans);font-size:12px;color:var(--ink-dim);text-transform:lowercase;line-height:1.55}
.conv-pressures .px{color:var(--p-color,var(--ink));font-weight:500;cursor:pointer;border-bottom:1px dotted var(--p-color,var(--ink-dim));transition:background .15s}
.conv-pressures .px:hover{background:rgba(31,58,104,.08)}

.log-section{padding:48px 40px;border-bottom:1px solid var(--rule);position:relative;z-index:2;max-width:1100px;margin:0 auto;max-height:none;overflow:visible}
.log-section .panel-header{margin-bottom:24px}
.log-table{width:100%;font-size:14px;border-collapse:collapse}
.log-table th{text-align:left;padding:10px 12px;font-weight:500;color:var(--ink-dim);font-size:12px;border-bottom:1px solid var(--rule);background:var(--paper)}
.log-table td{padding:10px 12px;color:var(--ink);border-bottom:1px solid var(--rule-faint);font-variant-numeric:tabular-nums}
.log-table tr:hover td{background:rgba(26,20,16,.03);cursor:pointer}
.col-id{color:var(--ink-faint) !important;font-family:var(--mono);font-size:11px}
.col-branch{font-size:12px !important;text-transform:lowercase;font-weight:600;font-family:var(--display)}
.col-pressure{font-size:13px !important;text-transform:lowercase;color:var(--ink-soft) !important;font-family:var(--display)}
.col-signal{color:var(--ink-soft) !important;font-size:13px !important}

.log-toolbar{display:flex;align-items:center;gap:16px}
.log-back{font-size:13px;color:var(--accent);cursor:pointer;font-weight:500}
.log-back:hover{text-decoration:underline}

.sources-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;background:transparent;border:none}
.source-card{padding:20px 22px;background:var(--paper-warm);cursor:pointer;transition:all .2s;display:flex;flex-direction:column;gap:10px;border-left:3px solid var(--bc,var(--accent));border-top:1px solid var(--rule-faint);border-right:1px solid var(--rule-faint);border-bottom:1px solid var(--rule-faint)}
.source-card:hover{background:#fff;transform:translateY(-2px)}
.source-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.source-name{font-family:var(--display);font-size:16px;color:var(--ink);font-weight:600;text-transform:lowercase}
.source-status{font-size:11px;color:var(--ink-dim);display:flex;align-items:center;gap:6px}
.source-status .dot{width:7px;height:7px;border-radius:50%;background:var(--st,#3d8a45)}
.source-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:12px;color:var(--ink-dim)}
.source-meta strong{color:var(--ink);font-weight:500;font-family:var(--mono);font-size:11px}
.source-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.source-tag{font-size:11px;text-transform:lowercase;padding:3px 10px;border:1px solid var(--bcc,var(--rule));color:var(--bcc,var(--ink-dim));border-radius:999px;font-weight:500}
.source-card .source-cta{font-size:13px;color:var(--bc,var(--accent));margin-top:6px;font-weight:500}
.source-card:hover .source-cta{text-decoration:underline}

.domain-section{padding:48px 40px;border-bottom:1px solid var(--rule);position:relative;z-index:2;max-width:1100px;margin:0 auto}
.domain-grid{display:grid;grid-template-columns:repeat(6,minmax(150px,1fr));gap:16px;background:transparent;border:none;overflow-x:auto}
@media(max-width:1000px){.domain-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.domain-grid{grid-template-columns:repeat(2,1fr)}}
.domain-cell{padding:0;background:var(--paper-warm);min-width:0;display:flex;flex-direction:column;border-top:3px solid var(--c)}
.domain-header{padding:14px 16px 10px}
.domain-header .swatch{display:none}
.domain-header .name{color:var(--c);font-family:var(--display);font-size:15px;text-transform:lowercase;font-weight:700}
.domain-factors{padding:0 0 14px}
.domain-factor{padding:8px 16px;font-size:12px;line-height:1.4;color:var(--ink);display:grid;grid-template-columns:1fr auto;gap:8px;align-items:baseline}
.domain-factor .fname{color:var(--ink-soft);text-transform:lowercase}
.domain-factor .famp{color:var(--c);font-family:var(--mono);font-size:11px;font-weight:500}

.footer{padding:64px 40px;text-align:center;font-size:13px;color:var(--ink-dim);position:relative;z-index:2}
.footer .tva-mark{font-family:var(--display);color:var(--ink);margin-bottom:8px;font-size:14px;font-weight:600;text-transform:lowercase}
.footer a{color:var(--accent);text-decoration:none}

::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--paper-warm)}
::-webkit-scrollbar-thumb{background:rgba(26,20,16,.2);border-radius:4px}

.tl-row.dimmed{opacity:.3}
.tl-row.active .tl-name{color:var(--p-color,var(--ink))}
.tl-row.selected{background:rgba(31,58,104,.05);padding-left:14px;border-left:3px solid var(--p-color,var(--accent));margin-left:-14px}
.tl-row.selected .tl-name{color:var(--p-color,var(--ink));font-weight:700}
/* loom strand/label interaction CSS lives with each loom style; see styles/<name>/loom.css */

.weak-toggle{margin-top:28px;padding:14px 0 10px;border-top:1px solid var(--rule-faint);display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-size:13px;color:var(--ink-dim);transition:color .15s;font-weight:500}
.weak-toggle:hover{color:var(--accent)}
.weak-toggle .chev{transition:transform .2s;display:inline-block;font-size:14px;margin-right:4px;color:var(--accent)}
.weak-toggle.open .chev{transform:rotate(90deg)}
.weak-list{display:none;margin-top:8px}
.weak-list.open{display:block}
.weak-row{display:grid;grid-template-columns:1fr 60px;gap:12px;padding:14px 0;border-bottom:1px solid var(--rule-faint);align-items:baseline}
.weak-row:last-child{border-bottom:none}
.weak-name{font-family:var(--display);font-size:14px;color:var(--ink-soft);font-weight:500;text-transform:lowercase}
.weak-meta{font-size:11px;color:var(--ink-dim);margin-top:3px;text-transform:lowercase}
.weak-note{font-family:var(--serif);font-size:14px;color:var(--ink-soft);margin-top:4px;font-style:italic;line-height:1.4}
.weak-amp{font-family:var(--display);font-size:16px;color:var(--bc,var(--ink-dim));text-align:right;font-variant-numeric:tabular-nums;font-weight:600;opacity:.85}
.weak-amp::after{content:'%';font-size:10px;color:var(--ink-faint);margin-left:1px;font-weight:400}
.weak-bar-track{grid-column:1 / -1;height:1px;background:var(--rule-faint);margin-top:8px;position:relative}
.weak-bar-fill{position:absolute;left:0;top:0;height:1px;background:var(--bc,var(--ink-dim));opacity:.6}

.verdict{max-width:1100px;margin:0 auto;padding:48px 40px;border-bottom:1px solid var(--rule);position:relative;z-index:2}
.verdict-kicker{font-size:12px;color:var(--accent);letter-spacing:.18em;text-transform:uppercase;margin-bottom:14px;font-weight:500}
.verdict-line{font-family:var(--serif);font-size:clamp(32px,4.5vw,52px);font-weight:400;color:var(--ink);line-height:1.15;letter-spacing:-.01em}
.verdict-line em{font-style:italic;color:var(--accent)}

.section-intro{max-width:1100px;margin:0 auto;padding:64px 40px 8px;position:relative;z-index:2}
.section-intro .kicker{font-size:12px;color:var(--accent);letter-spacing:.18em;text-transform:uppercase;margin-bottom:14px;font-weight:500}
.section-intro h2{font-family:var(--display);font-size:clamp(28px,3.6vw,42px);font-weight:700;color:var(--ink);line-height:1.1;letter-spacing:-.01em;margin-bottom:14px;text-transform:lowercase}
.section-intro p{font-size:17px;color:var(--ink-soft);line-height:1.55;max-width:640px}
.section-intro p em{font-style:italic;color:var(--ink)}
.tides-section{max-width:1100px;margin:0 auto;padding:8px 40px 56px;position:relative;z-index:2;border-bottom:1px solid var(--rule)}
.tides-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule-faint);border:1px solid var(--rule-faint)}
@media(max-width:900px){.tides-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.tides-grid{grid-template-columns:1fr}}
.tide-card{background:var(--paper-warm);padding:24px 22px 20px;display:flex;flex-direction:column;gap:10px;position:relative;transition:background .2s;cursor:default}
.tide-card:hover{background:#fff}
.tide-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.tide-name{min-width:0;flex:1 1 auto}
.tide-amp{flex-shrink:0}
.tide-name{font-family:var(--display);font-size:17px;color:var(--ink);font-weight:600;text-transform:lowercase;letter-spacing:-.005em;line-height:1.2}
.tide-amp{font-family:var(--display);font-size:26px;color:var(--tc,var(--accent));font-variant-numeric:tabular-nums;font-weight:700;line-height:1;flex-shrink:0}
.tide-amp::after{content:'%';font-size:13px;color:var(--ink-dim);margin-left:1px;font-weight:400}
.tide-svg{width:100%;height:64px;display:block;margin-top:4px}
.tide-cycle{font-family:var(--sans);font-size:11px;color:var(--ink-dim);text-transform:lowercase;letter-spacing:.04em;margin-top:-2px}
.tide-cycle .arrow{color:var(--tc,var(--accent));font-weight:600}
.tide-desc{font-family:var(--serif);font-size:16px;color:var(--ink-soft);line-height:1.4;font-style:italic;margin-top:4px}
.tide-feeds{font-family:var(--sans);font-size:12px;color:var(--ink-dim);margin-top:auto;padding-top:10px;border-top:1px dashed var(--rule);line-height:1.5}
.tide-feeds .arrow{color:var(--tc,var(--accent));font-weight:600;font-family:var(--display);margin-right:6px}
.tide-feeds .fac{color:var(--ink);font-weight:500;text-transform:lowercase}
.tide-feeds .fac + .fac::before{content:' · ';color:var(--ink-dim);font-weight:400}

/* ───── system view ───── */
.system-view{max-width:1100px;margin:0 auto;padding:8px 40px 56px;position:relative;z-index:2;border-bottom:1px solid var(--rule)}
.sys-row{display:grid;grid-template-columns:1.3fr 3fr 1.5fr;gap:36px;padding:36px 0;border-bottom:1px solid var(--rule-faint);align-items:start}
.sys-row:last-child{border-bottom:none}
@media(max-width:1000px){.sys-row{grid-template-columns:1fr;gap:18px}}
.sys-row-head{display:flex;gap:14px;align-items:flex-start}
.sys-row-rank{font-family:var(--mono);font-size:10px;color:var(--ink-faint);letter-spacing:.1em;padding-top:8px;flex-shrink:0}
.sys-row-name{font-family:var(--display);font-size:22px;color:var(--ink);font-weight:600;line-height:1.15;letter-spacing:-.01em;margin-bottom:6px;text-transform:lowercase}
.sys-row-def{font-family:var(--serif);font-size:15px;color:var(--ink-soft);line-height:1.4;font-style:italic}
.sys-spine-wrap{padding-top:24px;position:relative}
.sys-spine{position:relative;height:46px}
.sys-spine-axis{position:absolute;left:0;right:0;top:50%;height:1px;background:var(--rule);transform:translateY(-50%)}
.sys-spine-axis::before,.sys-spine-axis::after{content:'';position:absolute;top:-3px;width:1px;height:7px;background:var(--rule)}
.sys-spine-axis::before{left:0}.sys-spine-axis::after{right:0}
.sys-spine-tick{position:absolute;top:calc(50% - 3px);width:1px;height:6px;background:var(--rule-faint);transform:translateX(-50%)}
.sys-spine-mean{position:absolute;top:-4px;bottom:-4px;width:1px;background:var(--ink-dim);transform:translateX(-50%);opacity:.7}
.sys-spine-mean span{position:absolute;top:-18px;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:9px;color:var(--ink-dim);letter-spacing:.08em;white-space:nowrap;text-transform:lowercase}
.sys-dot{position:absolute;top:50%;width:14px;height:14px;border-radius:50%;background:var(--c);transform:translate(-50%,-50%);cursor:pointer;transition:transform .15s,box-shadow .15s;box-shadow:0 0 0 3px var(--paper-warm),0 1px 3px rgba(0,0,0,.15);z-index:2}
.sys-dot:hover{transform:translate(-50%,-50%) scale(1.4);z-index:5}
.sys-dot-tip{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:7px 10px;font-family:var(--sans);font-size:11px;line-height:1.4;white-space:nowrap;border-radius:3px;pointer-events:none;opacity:0;transition:opacity .15s;text-transform:lowercase}
.sys-dot:hover .sys-dot-tip{opacity:1}
.sys-spine-scale{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;color:var(--ink-faint);letter-spacing:.08em;margin-top:10px}
.sys-row-diagnostic{font-family:var(--serif);font-size:16px;color:var(--ink-soft);line-height:1.6;font-style:italic;border-left:2px solid var(--lc);padding-left:18px}
.sys-row-diagnostic > div{margin-bottom:4px}
.sys-row-diagnostic strong{color:var(--ink);font-weight:500;font-style:normal;font-variant-numeric:tabular-nums}
.sys-row-diagnostic .sys-diag-mean{font-family:var(--display);font-size:14px;font-style:normal;color:var(--ink);font-weight:600;text-transform:lowercase;margin-bottom:8px;letter-spacing:.02em}
.sys-row-diagnostic .sys-diag-quiet,.sys-row-diagnostic .sys-diag-spread{font-size:14px;color:var(--ink-dim)}
.sys-summary{display:flex;gap:24px;padding:24px 0 8px;align-items:baseline;flex-wrap:wrap;border-bottom:1px solid var(--rule-faint);margin-bottom:8px}
.sys-summary .lead{font-family:var(--serif);font-size:22px;color:var(--ink);font-style:italic;flex:1;min-width:280px;line-height:1.35}
.sys-summary .lead em{color:var(--accent);font-style:italic}
.sys-summary .meta{font-family:var(--mono);font-size:11px;color:var(--ink-dim);letter-spacing:.06em;text-transform:lowercase}

/* system pill in branch-bar */
.branch-tab.sys-pill{padding:8px 16px;border:1px dashed var(--ink-dim);color:var(--ink);background:transparent;font-weight:600;margin-right:12px}
.branch-tab.sys-pill .swatch{display:none}
.branch-tab.sys-pill::before{content:'··';color:var(--ink-dim);margin-right:6px;font-family:var(--mono);font-size:14px}
.branch-tab.sys-pill.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.branch-tab.sys-pill.active::before{color:var(--paper)}

/* When system view is active, dim the timeline a touch and hide branch-specific text */
body.system-mode .timeline-frame{opacity:.55}
body.system-mode .timeline-frame:hover{opacity:1;transition:opacity .3s}