:root{
  --bg:#f4f6f8; --panel:#fff; --ink:#13212d; --muted:#64717d; --line:#dde4e9;
  --navy:#122b3e; --blue:#1f6f78; --blue2:#2a8791; --pale:#eaf5f5; --green:#1f7a55;
  --red:#b34b43; --orange:#a65d1a; --shadow:0 18px 50px rgba(19,33,45,.08);
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}
button,input,select{font:inherit} button{cursor:pointer} a{color:inherit;text-decoration:none}
.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1180px)/2));background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;backdrop-filter:blur(14px)}
.brand{font-weight:900;letter-spacing:-.04em;font-size:23px}.brand span{color:var(--blue2)}
.privacy-pill{font-size:13px;color:#375563;background:#eff7f7;border:1px solid #d4e8e8;padding:8px 12px;border-radius:999px}
main{max-width:1180px;margin:auto;padding:0 24px 72px}.hero{text-align:center;padding:92px 12px 68px}.eyebrow,.step{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--blue)}
.hero h1{font-size:clamp(42px,7vw,76px);letter-spacing:-.055em;line-height:.98;max-width:900px;margin:16px auto 22px}.hero h1 span{color:var(--blue)}
.hero p{max-width:760px;margin:0 auto;color:var(--muted);font-size:19px;line-height:1.6}.hero-actions{display:flex;gap:12px;justify-content:center;margin:30px 0 15px;flex-wrap:wrap}.hero .micro{font-size:13px}
.btn{border:0;border-radius:10px;padding:12px 17px;font-weight:800;display:inline-flex;align-items:center;justify-content:center}.btn.primary{background:var(--navy);color:white;box-shadow:0 8px 20px rgba(18,43,62,.18)}.btn.primary:hover{background:#0c2232}.btn.ghost{background:#fff;color:var(--navy);border:1px solid var(--line)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:28px;margin-bottom:28px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:22px}.section-head.compact{align-items:end}.section-head h2{font-size:27px;letter-spacing:-.03em;margin:5px 0 0}.hint{font-size:13px;color:var(--muted);max-width:390px}.text-btn{background:none;border:0;color:var(--blue);font-weight:800;padding:6px}
.upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.file-card{border:1px solid var(--line);border-radius:14px;padding:16px}.file-label{font-weight:850;margin-bottom:10px}.dropzone{min-height:180px;border:1.5px dashed #b8c7d0;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;background:#fbfcfd;transition:.18s}.dropzone:hover,.file-card.drag .dropzone{border-color:var(--blue2);background:#f1f8f8}.dropzone input{display:none}.drop-icon{font-size:28px;color:var(--blue)}.dropzone small,.file-meta{color:var(--muted);font-size:12px}.file-meta{padding-top:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sheet-field{margin-top:10px}
.field{display:flex;flex-direction:column;gap:5px;font-size:12px;font-weight:800;color:var(--muted)} select,.search{border:1px solid #cfd9df;border-radius:9px;background:white;color:var(--ink);padding:10px 11px;min-width:0}
.mapping{border-top:1px solid var(--line);margin-top:28px;padding-top:27px}.mapping-table-wrap,.table-wrap{overflow:auto}.mapping-table,.results-table{width:100%;border-collapse:collapse}.mapping-table th,.mapping-table td,.results-table th,.results-table td{padding:12px 11px;text-align:left;border-bottom:1px solid #edf1f3;font-size:13px}.mapping-table th,.results-table th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#6e7c87;background:#fafbfc;position:sticky;top:0}.mapping-table select{width:100%;min-width:180px}.mapping-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px}.checkbox{font-size:13px;color:var(--muted)}
.error{margin-top:14px;padding:12px;border:1px solid #f0c5c2;color:#852e29;background:#fff6f5;border-radius:9px;font-size:13px}.hidden{display:none!important}
.result-actions{display:flex;gap:9px}.stats{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin:0 0 22px}.stat{border:1px solid var(--line);border-radius:12px;padding:14px}.stat b{display:block;font-size:25px;letter-spacing:-.04em}.stat span{font-size:11px;color:var(--muted);font-weight:700}.stat.alert{border-color:#ecd7c4;background:#fffaf5}.stat.good{border-color:#cfe3da;background:#f7fbf9}
.toolbar{display:flex;justify-content:space-between;gap:16px;margin-bottom:12px}.filters{display:flex;gap:7px;flex-wrap:wrap}.filter{border:1px solid var(--line);background:white;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:800;color:#667782}.filter.active{background:var(--navy);color:white;border-color:var(--navy)}.search{width:240px}.results-table{min-width:900px}.results-table td{vertical-align:middle}.results-table tbody tr:hover{background:#fbfcfd}.price{font-variant-numeric:tabular-nums;font-weight:750}.delta-up{color:var(--red);font-weight:850}.delta-down{color:var(--green);font-weight:850}.tag{display:inline-flex;padding:5px 8px;border-radius:99px;font-size:11px;font-weight:850;white-space:nowrap}.tag.up{color:#8c342f;background:#fff0ef}.tag.down{color:#176442;background:#eaf8f1}.tag.new{color:#315f84;background:#edf5fb}.tag.removed{color:#744d1f;background:#fff5e7}.tag.changed{color:#694b7b;background:#f5eff9}.tag.same{color:#667782;background:#f0f3f5}.unit-change{font-size:11px;color:var(--orange);font-weight:800}.pagination-line{display:flex;justify-content:space-between;padding-top:12px;color:var(--muted);font-size:12px}.quality{margin-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:10px}.quality-item{border:1px solid var(--line);padding:12px;border-radius:10px;font-size:12px;color:var(--muted)}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:46px 0}.trust-grid article{padding:24px;border-top:2px solid var(--navy)}.trust-grid span{font-size:11px;color:var(--blue);font-weight:900}.trust-grid h3{margin:8px 0;font-size:17px}.trust-grid p{color:var(--muted);font-size:13px;line-height:1.6;margin:0}
footer{border-top:1px solid var(--line);padding:30px max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;gap:22px;color:var(--muted);font-size:12px}footer p{margin-right:auto}
@media(max-width:820px){.privacy-pill{display:none}.hero{padding-top:58px}.upload-grid,.quality,.trust-grid{grid-template-columns:1fr}.mapping-actions,.toolbar,.section-head.compact{align-items:stretch;flex-direction:column}.stats{grid-template-columns:repeat(2,1fr)}.search{width:100%}.result-actions{width:100%;flex-wrap:wrap}.section-head{flex-wrap:wrap}footer{align-items:flex-start;flex-direction:column}.hero p{font-size:16px}}

/* V0.1 polish */
.value-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:-24px 0 28px}
.value-strip article{background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:14px;padding:17px 18px;display:flex;flex-direction:column;gap:4px;box-shadow:0 8px 30px rgba(19,33,45,.04)}
.value-strip strong{font-size:13px;color:var(--navy)}
.value-strip span{font-size:12px;line-height:1.45;color:var(--muted)}
.result-summary{margin:8px 0 0!important;font-size:13px!important;line-height:1.45!important;color:var(--muted)!important;max-width:720px!important}
.quality-alert{margin-top:18px;padding:13px 15px;border-radius:11px;border:1px solid #efd7aa;background:#fffaf0;color:#7b571b;font-size:12px;line-height:1.5}
.quality-item.ok{border-color:#cfe3da;background:#f7fbf9}
.quality-item.warn{border-color:#efd7aa;background:#fffaf0;color:#745321}
.result-actions{justify-content:flex-end}
.results-table .price{white-space:nowrap}
@media(max-width:820px){.value-strip{grid-template-columns:1fr;margin-top:-12px}.result-actions{justify-content:flex-start}.result-actions .btn{flex:1 1 150px}}

.tag.review{background:#fff4cc;color:#725a00}.stat.review{border-color:#e9d88b;background:#fffdf2}.stat.review b{color:#725a00}

/* Accessibility and narrow screens. Tables retain horizontal scrolling. */
:focus-visible{outline:3px solid var(--blue2);outline-offset:4px}
button:disabled{opacity:.55;cursor:default}
.skip-link{position:absolute;left:16px;top:-100px;z-index:100;background:#fff;padding:14px}
.skip-link:focus{top:10px}
.hero{padding:64px 12px 44px}
.hero h1{font-size:clamp(36px,5.6vw,64px);line-height:1.06;max-width:960px}
.hero .privacy-message{font-size:15px;color:#24533f;font-weight:700;margin:20px auto 10px}
.workflow ol{list-style:none;counter-reset:steps;display:grid;grid-template-columns:repeat(6,1fr);gap:10px;padding:0;margin:0 0 28px}
.workflow li{counter-increment:steps;font-size:12px;font-weight:700;display:flex;align-items:center;gap:8px;line-height:1.4}
.workflow li:before{content:counter(steps);flex-shrink:0;width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:white}
.dropzone{position:relative;text-align:center;padding:12px;cursor:pointer}
.dropzone input{display:block;position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
.dropzone:focus-within{outline:3px solid var(--blue2);outline-offset:3px}
.file-meta{white-space:normal;overflow-wrap:anywhere;line-height:1.5}
.file-card.ready{border-color:var(--green)}
.panel,.file-card,.upload-grid>*{min-width:0}
.result-actions{flex-wrap:wrap}
.row-details{display:block;white-space:normal;min-width:180px;max-width:330px;margin-top:5px;font-size:11px;color:var(--muted);line-height:1.45}
.results-table td{overflow-wrap:anywhere;max-width:340px}
.empty-result{text-align:center!important;color:var(--muted);padding:28px!important}
.quality-details{grid-column:1/-1;font-size:13px}
.quality-details summary{cursor:pointer;padding:12px 0;font-weight:700}
.quality-details table{border-collapse:collapse;width:100%;min-width:650px}
.quality-details td,.quality-details th{padding:10px;text-align:left;border-bottom:1px solid var(--line);max-width:300px;overflow-wrap:anywhere}
.export-hint{max-width:none;margin:0 0 18px;line-height:1.5}
.notice-main{max-width:800px;padding-top:50px;line-height:1.65}
.notice-panel{margin-top:30px;overflow-wrap:anywhere}
.notice-panel a{text-decoration:underline}
.panel{scroll-margin-top:88px}
@media(max-width:820px){.workflow ol{grid-template-columns:repeat(3,1fr);row-gap:16px}.hero{padding-top:38px}.privacy-pill{display:block;font-size:11px}}
@media(max-width:480px){main{padding:0 12px 40px}.panel{padding:16px}.topbar{padding:0 14px}.privacy-pill{max-width:150px;text-align:center}.hero{padding-left:0;padding-right:0}.hero h1{font-size:36px}.workflow ol{grid-template-columns:repeat(2,1fr)}.section-head h2{font-size:23px}.hero-actions .btn{width:100%}.stats{gap:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}


/* Commercial landing */
.topbar-right{display:flex;align-items:center;gap:22px}
.topnav{display:flex;align-items:center;gap:18px;font-size:13px;font-weight:750;color:#536571}
.topnav a:hover{color:var(--blue)}
.commercial-section{margin:54px 0}
.section-kicker{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:900;color:var(--blue);margin-bottom:10px}
.commercial-section h2,.founder-panel h2{font-size:clamp(30px,4vw,46px);letter-spacing:-.045em;line-height:1.04;margin:0 0 14px}
.section-intro{max-width:760px;color:var(--muted);font-size:17px;line-height:1.65;margin:0 0 24px}
.audience-section{padding:34px 0 8px}
.persona-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.persona-grid article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 10px 35px rgba(19,33,45,.04)}
.persona-grid strong{display:block;font-size:15px;color:var(--navy);margin-bottom:8px}
.persona-grid span{display:block;color:var(--muted);font-size:13px;line-height:1.6}
.pricing-section{padding-top:22px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:stretch}
.price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 12px 38px rgba(19,33,45,.05);display:flex;flex-direction:column}
.price-card.featured{border:2px solid var(--navy);box-shadow:0 18px 50px rgba(18,43,62,.11)}
.plan-badge{position:absolute;right:18px;top:18px;background:var(--pale);color:var(--blue);font-size:11px;font-weight:900;border-radius:999px;padding:6px 9px}
.plan-name{font-size:14px;font-weight:900;color:var(--navy)}
.plan-price{font-size:34px;font-weight:900;letter-spacing:-.045em;margin:10px 0}
.plan-price small{font-size:13px;color:var(--muted);font-weight:750;letter-spacing:0}
.price-card>p{color:var(--muted);font-size:13px;line-height:1.55;min-height:42px}
.price-card ul{margin:12px 0 22px;padding:0;list-style:none;display:grid;gap:9px;flex:1}
.price-card li{font-size:13px;line-height:1.45;padding-left:20px;position:relative}
.price-card li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}
.price-card em{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.pricing-note{font-size:12px;line-height:1.6;color:var(--muted);margin:16px 2px 0}
.founder-panel{display:flex;align-items:center;justify-content:space-between;gap:28px;background:var(--navy);color:#fff;border-radius:20px;padding:34px 36px;margin:54px 0;box-shadow:0 18px 50px rgba(18,43,62,.16)}
.founder-panel .section-kicker{color:#8dd0d5}
.founder-panel h2{max-width:720px}
.founder-panel p{max-width:760px;color:#d7e2e8;line-height:1.6;margin:0}
.founder-panel .btn.primary{background:#fff;color:var(--navy);box-shadow:none;white-space:nowrap}
.faq-list{display:grid;gap:10px;max-width:900px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 18px}
.faq-list summary{cursor:pointer;font-weight:850;padding:16px 0}
.faq-list p{color:var(--muted);font-size:13px;line-height:1.65;margin:0 0 16px}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a:hover{color:var(--blue)}
.legal-page{max-width:900px;margin:0 auto;padding:56px 24px 80px}
.legal-page h1{font-size:clamp(36px,6vw,58px);letter-spacing:-.05em;margin:0 0 18px}
.legal-page h2{font-size:22px;letter-spacing:-.025em;margin:34px 0 10px}
.legal-page p,.legal-page li{color:var(--muted);line-height:1.7;font-size:15px}
.legal-page .back-link{display:inline-block;margin-bottom:28px;color:var(--blue);font-weight:800}
.legal-page .notice-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;margin:24px 0}
@media(max-width:900px){.topnav{display:none}.persona-grid,.pricing-grid{grid-template-columns:1fr}.founder-panel{align-items:flex-start;flex-direction:column}.price-card>p{min-height:0}}
@media(max-width:820px){.topbar-right{gap:8px}.commercial-section{margin:38px 0}.audience-section{padding-top:16px}.founder-panel{padding:26px 22px}.footer-links{flex-direction:column;gap:10px}}