:root{--bg:#eef4ff;--panel:#fff;--text:#17203c;--muted:#6c7894;--line:#dfe7f5;--blue:#556df7;--purple:#7d63f7;--teal:#34b3c4;--gold:#f1b85a;--coral:#f2837c;--shadow:0 24px 70px rgba(80,105,155,.15);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}
*{box-sizing:border-box}body{margin:0;color:var(--text);background:radial-gradient(circle at 12% 0,rgba(125,170,255,.18),transparent 28%),linear-gradient(#f7faff,#eef4ff 60%,#f9fbff);min-height:100vh}button,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.site-shell{max-width:1440px;margin:auto;padding:20px}.site-header,.soft,.section-panel{background:rgba(255,255,255,.84);border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow);border-radius:26px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 22px;margin-bottom:18px}.brand{display:flex;align-items:center;gap:12px;font-weight:800}.brand-mark{width:40px;height:28px;position:relative}.brand-mark span{position:absolute;width:24px;height:24px;border-radius:50%;background:linear-gradient(#55b5d4,#6c88ff)}.brand-mark span:last-child{left:14px;background:linear-gradient(#7386ff,#8d68ff)}.top-nav,.header-actions{display:flex;gap:8px;align-items:center}.nav-link,.outline-btn,.ghost,.tab,.rail{border:0;background:transparent;color:var(--muted);border-radius:12px;padding:10px 13px}.nav-link.is-active,.rail.active,.tab.active{background:#eef3ff;color:var(--blue);font-weight:700}.outline-btn,.ghost{border:1px solid var(--line);background:#fff}.primary-btn,.primary{border:0;border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-weight:700;padding:12px 18px;box-shadow:0 12px 24px rgba(86,105,247,.2)}
.hero-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:24px;padding:30px}.hero-copy-block h1,.mode-hero h2{font-size:clamp(2.3rem,4vw,4rem);line-height:1.03;margin:10px 0 16px}.hero-copy-block h1 span{color:var(--blue)}.lead,.muted,.mode-hero p{color:var(--muted);line-height:1.65}.section-kicker,.kicker,.mode-badge{letter-spacing:.22em;text-transform:uppercase;font-size:.78rem;font-weight:800;color:var(--blue)}
.question-block{margin-top:34px}.question-block h2{font-size:2.2rem}.mini-label{font-size:.78rem;letter-spacing:.17em;color:#8191ad}.route-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:22px}.route-card{border:0;text-align:left;border-radius:24px;padding:20px;background:linear-gradient(180deg,#f9fbff,#edf5ff);min-height:235px;box-shadow:0 12px 28px rgba(117,141,187,.12)}.route-learning{background:linear-gradient(#f8f2ff,#f4efff)}.route-professional{background:linear-gradient(#edf3ff,#f6f9ff)}.route-demo{background:linear-gradient(#fff4e5,#fff9f1)}.route-card h3{font-size:1.8rem;margin:10px 0 6px}.route-card p{color:#52617f;line-height:1.45}.route-icon{font-size:1.6rem}.route-visual{height:80px;border-radius:16px;margin-top:14px;background:radial-gradient(circle at 30% 70%,rgba(95,180,210,.2),transparent 30%),linear-gradient(180deg,#fff,#dce9fb)}.tag-row{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}.tag-row span{background:#fff;border:1px solid var(--line);padding:6px 8px;border-radius:999px;font-size:.76rem;color:#657493}
.preview-panel{display:grid;gap:16px}.preview-landscape,.preview-card{border-radius:26px;background:#fff;box-shadow:var(--shadow)}.preview-landscape{min-height:210px;background:linear-gradient(#fff7ef,#e9f2ff);position:relative}.preview-landscape p{position:absolute;right:24px;top:24px;color:#5d6d90;font-style:italic;font-size:1.4rem;text-align:right}.preview-card{padding:24px}.preview-app-card{display:grid;grid-template-columns:110px 1fr;border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-top:16px}.preview-sidebar{padding:14px;background:#fbfdff;display:grid;gap:8px}.preview-sidebar span{font-size:.82rem;color:#6e7b95}.preview-sidebar .active{color:var(--blue);font-weight:700}.preview-main{padding:14px}.preview-chat{display:grid;gap:8px}.bubble{padding:9px;border-radius:12px;background:#eef5ff;font-size:.82rem}.bubble.b{background:#f3f0ff}.bubble.c{background:#fff1e4}.preview-bars{display:grid;gap:7px;margin-top:12px}.preview-bars div{display:grid;grid-template-columns:110px 1fr;gap:8px}.preview-bars label{font-size:.78rem;color:#687895}.preview-bars i,.bar i{height:8px;border-radius:999px;background:linear-gradient(90deg,var(--teal),var(--blue))}.cta-banner{width:100%;border:0;border-radius:16px;padding:14px;margin-top:14px;background:linear-gradient(90deg,#1596b6,#2cadd4);color:#fff;font-weight:700}
.mode-grid{display:grid;grid-template-columns:240px 1fr;gap:18px}.side{padding:18px;align-self:start}.mode-badge{margin-bottom:14px}.rail{display:block;width:100%;text-align:left;margin:4px 0;padding:13px 14px}.mode-grid main,.demo{display:grid;gap:18px}.mode-hero{padding:24px}.mode-hero h2{font-size:clamp(2rem,3.3vw,3.3rem)}.composer,.panel,.progress{padding:22px}.between{display:flex;justify-content:space-between;align-items:center;gap:12px}.composer-help{margin:4px 0 0;color:var(--muted);font-size:.9rem}
.input-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:16px 0 10px}
.input-kind,.source-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.input-kind{padding:4px;background:#f3f6fc;border:1px solid var(--line);border-radius:14px}
.input-kind-btn{border:0;background:transparent;color:var(--muted);padding:9px 12px;border-radius:10px;font-weight:650}
.input-kind-btn.active{background:#fff;color:var(--blue);box-shadow:0 4px 12px rgba(80,105,155,.12)}
.file-btn{display:inline-flex;align-items:center;position:relative;cursor:pointer}
.hidden-file{position:absolute!important;width:1px!important;height:1px!important;opacity:0!important;pointer-events:none!important}
.source-status{min-height:34px;display:flex;align-items:center;padding:8px 11px;margin-bottom:10px;border-radius:11px;background:#f7f9fd;color:#75829c;font-size:.84rem}
.source-status.success{background:#effbf5;color:#4d715f}
.source-status.warn{background:#fff7e8;color:#8a672d}
.source-status.error{background:#fff1f1;color:#9b4f4f}
.source-status.listening{background:#fff2f6;color:#a04766}
.mic-btn.recording,.record-btn.recording{background:#fff0f3;border-color:#efb2c2;color:#b13c60;box-shadow:0 0 0 4px rgba(210,60,99,.08)}
.composer.dragover{outline:3px dashed #91a7ff;outline-offset:3px;background:rgba(247,250,255,.96)}
.composer textarea{width:100%;resize:vertical;border:1px solid var(--line);border-radius:16px;background:#fbfdff;padding:16px;line-height:1.55;color:var(--text);outline:none;min-height:250px}
.composer-actions{align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.privacy-note{color:var(--muted);font-size:.78rem;max-width:560px}.composer textarea:focus{border-color:#9db9ff;box-shadow:0 0 0 4px rgba(89,119,247,.09)}.actions{display:flex;justify-content:flex-end;margin-top:12px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}.metrics>div,.cards>div{border:1px solid var(--line);background:#fbfdff;border-radius:16px;padding:14px}.metrics strong{font-size:1.55rem;display:block}.metrics span{font-size:.82rem;color:var(--muted)}.finding{border:1px solid var(--line);border-radius:17px;padding:16px;margin:10px 0;background:#fbfdff}.finding-head{display:flex;justify-content:space-between;gap:12px}.finding-head span{color:var(--blue);font-size:.82rem}.finding small{color:#7b88a0}.finding blockquote{margin:10px 0;padding:10px 12px;border-left:3px solid #c8d5ff;background:#f5f8ff;color:#52627f}.finding p{color:#586780;line-height:1.5}.alt,.question{padding:10px 12px;border-radius:12px;margin-top:8px;font-size:.88rem;line-height:1.4}.alt{background:#f4f0ff;color:#655982}.question{background:#edf8ff;color:#496a83}.trace{margin-top:14px;border:1px solid var(--line);border-radius:16px;background:#fff;padding:10px 14px}.trace summary{font-weight:700;color:#52678f}.trace-row{display:grid;grid-template-columns:32px 1fr;gap:10px;padding:10px 0;border-bottom:1px solid #eef2f7}.trace-row i{width:28px;height:28px;border-radius:9px;background:#edf3ff;display:grid;place-items:center;color:var(--blue);font-style:normal;font-weight:700}.trace-row p{margin:3px 0;color:var(--muted)}.trace li{color:var(--muted);line-height:1.5}
.segments{display:grid;gap:8px}.segments>div{display:grid;grid-template-columns:120px 1fr 180px;gap:12px;border:1px solid var(--line);background:#fbfdff;border-radius:14px;padding:12px}.segments small{color:var(--muted)}.relations{display:grid;gap:8px}.relations>div{display:flex;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:14px;padding:12px;background:#fbfdff}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.cards p{color:var(--muted)}.empty{min-height:120px;display:grid;place-items:center;text-align:center;color:#94a0b8;border:1px dashed #d7e0ef;border-radius:16px;background:#fbfdff;padding:18px}.answers{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:12px 0}.answer{border:1px solid var(--line);border-radius:14px;padding:14px;text-align:left;background:#fbfdff}.answer.selected{border-color:#9685ff;background:#f3f0ff;color:var(--purple)}.success{background:#effbf5;border:1px solid #ccebdc;color:#4d715f;border-radius:15px;padding:14px;margin-bottom:12px}.progress>div:first-child{display:flex;justify-content:space-between}.progress span{color:var(--muted)}.bar{height:9px;background:#edf2fb;border-radius:999px;overflow:hidden;margin-top:10px}.tabs{display:flex;gap:8px;flex-wrap:wrap}.demo{max-width:950px;margin:auto}
@media(max-width:1100px){.hero-grid,.mode-grid{grid-template-columns:1fr}.preview-panel{order:-1}.metrics{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.site-shell{padding:10px}.site-header{flex-wrap:wrap}.desktop-only{display:none}.route-grid,.metrics,.cards,.answers{grid-template-columns:1fr}.preview-app-card{grid-template-columns:1fr}.segments>div{grid-template-columns:1fr}.between{flex-wrap:wrap}.input-toolbar,.composer-actions{align-items:stretch}.input-kind,.source-actions{width:100%}.input-kind-btn,.source-actions .ghost,.file-btn{flex:1;text-align:center;justify-content:center}.composer-actions .primary{width:100%}.hero-grid{padding:18px}.question-block h2{font-size:1.7rem}}
.speaker-editor{margin:0 0 12px;padding:14px;border:1px solid var(--line);border-radius:16px;background:#f8fbff}
.speaker-editor-head{display:flex;justify-content:space-between;gap:12px;margin-bottom:10px}
.speaker-editor-head strong{display:block;margin-bottom:3px}
.speaker-editor-head span{display:block;color:var(--muted);font-size:.82rem}
.speaker-name-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.speaker-name-grid label{display:grid;grid-template-columns:70px 1fr;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:13px;background:#fff}
.speaker-name-grid label>span{font-size:.8rem;color:var(--muted);font-weight:700}
.speaker-name-grid input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font:inherit;font-weight:650}
@media(max-width:760px){.speaker-name-grid{grid-template-columns:1fr}}

.document-overview{display:grid;gap:12px;margin-bottom:16px}
.doc-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.doc-stats>div{border:1px solid var(--line);background:#f8fbff;border-radius:16px;padding:14px}
.doc-stats strong{display:block;font-size:1.45rem}
.doc-stats span{font-size:.8rem;color:var(--muted)}
.doc-pair{padding:12px 0;border-bottom:1px solid #eef2f7}
.doc-pair p{margin:4px 0;color:#52617f}
.doc-pair small{color:var(--muted)}
.doc-claim{padding:10px 0;border-bottom:1px solid #eef2f7;color:#52617f}
.export-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
@media(max-width:760px){.doc-stats{grid-template-columns:repeat(2,1fr)}.export-actions{width:100%}.export-actions button{flex:1}}

.epistemic-layers{display:grid;gap:8px;margin:10px 0}
.epistemic-layers>div{border-left:3px solid #dbe4f5;padding:8px 10px;background:#fff;border-radius:0 10px 10px 0}
.epistemic-layers b{font-size:.78rem;color:#53658a;text-transform:uppercase;letter-spacing:.05em}
.epistemic-layers blockquote{margin:6px 0 0}
.epistemic-layers p{margin:6px 0 0}
.review-controls{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:12px;padding-top:10px;border-top:1px solid #e9eef7}
.review-controls>span{font-size:.78rem;color:var(--muted);margin-right:4px}
.review-controls button{border:1px solid var(--line);background:#fff;color:#697892;border-radius:999px;padding:7px 10px;font-size:.78rem}
.review-controls button.active[data-review-value="accepted"]{background:#eefaf4;border-color:#bfe6d1;color:#3f7658}
.review-controls button.active[data-review-value="uncertain"]{background:#fff7e8;border-color:#ecd498;color:#866829}
.review-controls button.active[data-review-value="rejected"]{background:#fff0f0;border-color:#ecc2c2;color:#9b4f4f}
.history-panel{margin-top:14px;padding:14px;border:1px solid var(--line);border-radius:16px;background:#f8fbff}
.history-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}
.history-head span{font-size:.78rem;color:var(--muted)}
.history-list{display:grid;gap:8px}
.history-item{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:13px;background:#fff}
.history-item strong,.history-item small{display:block}
.history-item small{margin-top:4px;color:var(--muted);font-size:.76rem}
.history-actions{display:flex;gap:6px;flex-shrink:0}
.ghost.danger{color:#a44d4d}
button:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:760px){.history-head,.history-item{align-items:stretch;flex-direction:column}.history-actions button{flex:1}.review-controls button{flex:1}}

.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0}
.compare-grid>div{border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px}
.compare-grid strong,.compare-grid span{display:block}
.compare-grid span{margin-top:4px;font-size:.78rem;color:var(--muted)}
.compare-rules{display:grid;gap:7px}
.compare-rules>div{display:grid;grid-template-columns:1fr 90px 55px;gap:10px;align-items:center;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px}
.compare-rules span{color:var(--muted);font-size:.82rem;text-align:center}
.compare-rules .better{color:#3f7658;text-align:right}
.compare-rules .worse{color:#9b4f4f;text-align:right}
.comparison-note{margin:12px 0 0;color:var(--muted);font-size:.8rem;line-height:1.45}
@media(max-width:760px){.compare-grid{grid-template-columns:1fr}.compare-rules>div{grid-template-columns:1fr 70px 45px}}

a.outline-btn,a.primary-btn{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.method-page{max-width:1050px;margin:0 auto;padding:30px}
.method-page h1{font-size:clamp(2rem,4vw,3.6rem);line-height:1.05;margin:10px 0 18px}
.method-page h2{margin:30px 0 12px;font-size:1.35rem}
.method-page>p{line-height:1.7;color:#52617f}
.method-rules{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.method-rules>div{border:1px solid var(--line);border-radius:15px;padding:14px;background:#fbfdff}
.method-rules b{display:block;color:var(--blue);font-size:.78rem;letter-spacing:.05em}
.method-rules span{display:block;font-weight:750;margin:5px 0}
.method-rules p{margin:0;color:var(--muted);line-height:1.45;font-size:.86rem}
@media(max-width:900px){.method-rules{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.method-page{padding:20px}.method-rules{grid-template-columns:1fr}}

.speaker-retry{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.speaker-retry span{font-size:.76rem;color:var(--muted)}
.speaker-retry button{border:1px solid var(--line);background:#fff;color:#61708d;border-radius:999px;padding:6px 9px;font-size:.75rem}
.speaker-retry button:hover{border-color:#aabaff;color:var(--blue)}

.audio-dynamics{display:grid;gap:10px;margin-bottom:16px}
.audio-dyn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.audio-dyn-grid>div{border:1px solid var(--line);border-radius:14px;background:#fbfdff;padding:13px}
.audio-dyn-grid strong,.audio-dyn-grid span,.audio-dyn-grid small{display:block}
.audio-dyn-grid span{margin-top:4px;font-size:.86rem;color:#52617f}
.audio-dyn-grid small{margin-top:5px;font-size:.76rem;color:var(--muted)}
.audio-dyn-summary{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.audio-dyn-summary span{border:1px solid var(--line);border-radius:12px;background:#fff;padding:10px;font-size:.75rem;color:var(--muted)}
.audio-dyn-summary b{display:block;color:var(--text);font-size:.95rem;margin-bottom:2px}
@media(max-width:900px){.audio-dyn-summary{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.audio-dyn-grid,.audio-dyn-summary{grid-template-columns:1fr}}