:root{--ink:#2E2F2E;--muted:#6C6B6C;--paper:#FCFCFB;--panel:#F3F3F1;--line:#DADAD6;--orange:#F36C21;--orange-deep:#D45718;--orange-soft:#FFF0E7;--dark:#231F20;--max:1180px;--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.58}a{color:inherit}img{display:block;max-width:100%}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(252,252,251,.94);border-bottom:1px solid rgba(46,47,46,.1);backdrop-filter:blur(14px)}.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{width:260px;max-width:43vw}.header-nav{display:flex;align-items:center;gap:18px;font-size:13px;font-weight:800}.header-nav a{text-decoration:none}.header-nav .cta{padding:10px 15px;border-radius:10px;background:var(--orange);color:#fff}
.breadcrumbs{padding:26px 0 0;font-size:12px;color:var(--muted)}.breadcrumbs a{text-underline-offset:3px}.material-hero{padding:44px 0 54px;background:radial-gradient(circle at 90% 10%,rgba(243,108,33,.18),transparent 32%),linear-gradient(145deg,#fff,#f5f5f2)}.hero-grid{display:grid;grid-template-columns:1fr .92fr;gap:58px;align-items:center}.eyebrow{color:var(--orange-deep);font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;margin-bottom:15px}.material-code{font-size:clamp(70px,10vw,132px);line-height:.8;letter-spacing:-.075em;margin:0 0 24px;font-weight:950;color:var(--orange)}.hero-copy h1{font-size:clamp(30px,4vw,52px);line-height:1.02;letter-spacing:-.04em;margin:0 0 18px}.hero-copy p{font-size:18px;color:var(--muted);margin:0 0 26px;max-width:700px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px}.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid #b9bbb7;border-radius:10px;padding:12px 17px;text-decoration:none;font-weight:850;font-size:13px}.button.primary{background:var(--orange);border-color:var(--orange);color:#fff}.button.dark{background:var(--dark);border-color:var(--dark);color:#fff}
.hero-panel{border:1px solid var(--line);border-radius:24px;background:var(--dark);color:#fff;padding:26px;box-shadow:0 28px 70px rgba(35,31,32,.15)}.hero-panel-label{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:#ff9a62;font-weight:900}.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#454142;border:1px solid #454142;border-radius:16px;overflow:hidden;margin-top:18px}.metric{background:#2b2728;padding:20px}.metric strong{display:block;font-size:25px;letter-spacing:-.03em}.metric span{display:block;font-size:11px;color:#bdbdb9;margin-top:5px}.grade-note{font-size:11px;color:#aaa9a6;margin:16px 0 0}
.anchor-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.anchor-strip .wrap{display:flex;gap:22px;overflow:auto;padding-top:14px;padding-bottom:14px;font-size:12px;font-weight:800;white-space:nowrap}.anchor-strip a{text-decoration:none;color:var(--muted)}
.usage-section{padding:34px 0 0;background:#fff}.usage-figure{position:relative;margin:0;border-radius:24px;overflow:hidden;background:var(--dark);box-shadow:0 24px 65px rgba(35,31,32,.14)}.usage-figure img{width:100%;aspect-ratio:16/8.7;object-fit:cover}.usage-figure figcaption{position:absolute;inset:auto 0 0;padding:54px 28px 24px;color:#fff;background:linear-gradient(180deg,transparent,rgba(24,22,23,.9));font-size:18px;font-weight:900;letter-spacing:-.01em}.usage-figure figcaption span{display:block;margin-bottom:4px;color:#ff9a62;font-size:10px;letter-spacing:.12em;text-transform:uppercase}
section{padding:78px 0}.section-head{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;margin-bottom:32px}.section-head h2{font-size:clamp(34px,4.5vw,56px);line-height:1;letter-spacing:-.045em;margin:0}.section-head p{font-size:17px;color:var(--muted);margin:0}.dark-section{background:var(--dark);color:#fff}.dark-section .section-head p{color:#c8c8c5}.read-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.read-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.read-card h3{margin:0 0 11px;font-size:20px}.read-card p{margin:0;color:var(--muted)}.read-card.verdict{border-color:#ffc5a5;background:var(--orange-soft)}
.property-shell{overflow:auto;border:1px solid var(--line);border-radius:16px;background:#fff}table{width:100%;border-collapse:collapse;min-width:680px}th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);font-size:13px}thead th{font-size:11px;letter-spacing:.1em;text-transform:uppercase;background:#ececea}tbody th{font-weight:850}tbody td{color:var(--muted)}tr:last-child th,tr:last-child td{border-bottom:0}.table-note{font-size:12px;color:var(--muted);margin:15px 0 0}
.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card{border:1px solid #454142;border-radius:16px;padding:25px;background:#2b2728}.info-card h3{margin:0 0 14px;color:#ff9a62;font-size:16px}.info-card ul{margin:0;padding-left:19px;color:#d1d1ce;font-size:14px}.info-card li+li{margin-top:10px}.application-tags{display:flex;flex-wrap:wrap;gap:9px}.application-tags span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid #d8d8d4;font-size:12px;font-weight:800;color:var(--ink)}
.source-box{border:1px solid var(--line);border-radius:16px;padding:24px;background:#fff}.source-box h3{margin:0 0 12px}.source-box a{color:var(--orange-deep);font-weight:800}.source-box p{font-size:12px;color:var(--muted);margin:12px 0 0}.guide-navigation{padding:34px 0 64px;background:#fff}.material-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}.material-nav a{border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none;background:#fff}.material-nav span{display:block;font-size:11px;color:var(--muted)}.material-nav strong{display:block;margin-top:4px}
.library-hero{padding:76px 0 56px;background:var(--dark);color:#fff}.library-hero h1{font-size:clamp(48px,7vw,86px);line-height:.92;letter-spacing:-.06em;margin:0 0 22px;max-width:900px}.library-hero p{color:#c8c8c5;font-size:19px;max-width:760px;margin:0}.library-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.material-card{border:1px solid var(--line);border-radius:18px;background:#fff;padding:24px;display:flex;min-height:290px;flex-direction:column;transition:.2s}.material-card:hover{transform:translateY(-3px);border-color:#f5a477;box-shadow:0 18px 45px rgba(35,31,32,.08)}.material-card-link{display:flex;flex:1;flex-direction:column;text-decoration:none}.card-code{font-size:38px;letter-spacing:-.045em;font-weight:950;color:var(--ink)}.card-family{font-size:11px;color:var(--orange-deep);text-transform:uppercase;letter-spacing:.08em;font-weight:900;margin:4px 0 13px}.material-card p{color:var(--muted);font-size:13px;margin:0 0 20px}.card-metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:auto}.card-metrics span{background:var(--panel);border-radius:9px;padding:10px;font-size:10px;color:var(--muted)}.card-metrics strong{display:block;color:var(--ink);font-size:13px;margin-top:2px}.compare-card-button{display:flex;justify-content:center;margin-top:14px;border:1px solid #b9bbb7;border-radius:10px;padding:10px 12px;color:var(--ink);text-decoration:none;font-size:12px;font-weight:900}.compare-card-button:hover{background:var(--dark);border-color:var(--dark);color:#fff}.library-callout{margin-top:28px;padding:28px;border-radius:18px;background:var(--orange-soft);border:1px solid #ffc6a8;display:flex;justify-content:space-between;align-items:center;gap:24px}.library-callout h2{margin:0 0 7px}.library-callout p{margin:0;color:var(--muted)}
.comparison-tools{padding:54px 0;background:#fff;border-bottom:1px solid var(--line)}.tool-shell{border:1px solid var(--line);border-radius:22px;padding:26px;background:var(--panel)}.tool-shell h2{margin:0 0 7px;font-size:28px}.tool-shell>p{margin:0 0 20px;color:var(--muted)}.material-selector-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.material-choice{display:flex;align-items:center;gap:9px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:12px;font-weight:850;cursor:pointer}.material-choice:has(input:checked){border-color:var(--orange);background:var(--orange-soft);color:var(--orange-deep)}.material-choice input{accent-color:var(--orange)}.compare-actions{display:flex;align-items:center;gap:14px;margin-top:18px}.compare-message{font-size:12px;color:var(--muted)}.compare-message.error{color:#9c2f08;font-weight:800}.compare-results{padding:72px 0}.results-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:28px}.results-head h2{font-size:clamp(34px,4.5vw,56px);letter-spacing:-.045em;line-height:1;margin:0}.results-head p{margin:0;color:var(--muted);max-width:570px}.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.chart-card{border:1px solid var(--line);border-radius:18px;background:#fff;padding:22px}.chart-card h3{margin:0;font-size:18px}.chart-card>p{margin:4px 0 20px;color:var(--muted);font-size:11px}.chart-row{display:grid;grid-template-columns:88px 1fr 72px;align-items:center;gap:10px;margin-top:12px}.chart-label{font-size:12px;font-weight:950;color:var(--orange-deep)}.chart-track{height:15px;border-radius:999px;background:#ececea;overflow:hidden}.chart-fill{height:100%;border-radius:999px;min-width:2px}.chart-value{font-size:12px;font-weight:850;text-align:right}.profile-shell{margin-top:22px;border:1px solid var(--line);border-radius:18px;background:var(--dark);color:#fff;padding:26px}.profile-shell h3{font-size:24px;margin:0}.profile-shell>p{color:#c8c8c5;margin:5px 0 22px;font-size:12px}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 32px}.profile-aspect h4{color:#ff9a62;margin:0 0 10px;font-size:13px}.profile-row{display:grid;grid-template-columns:88px 1fr 28px;gap:9px;align-items:center;margin-top:8px}.profile-name{font-size:11px;font-weight:850}.profile-track{height:9px;border-radius:999px;background:#454142;overflow:hidden}.profile-fill{height:100%;border-radius:999px}.profile-score{font-size:11px;color:#c8c8c5;text-align:right}.comparison-table-section{padding-top:0}.comparison-table-section h2{font-size:clamp(34px,4.5vw,56px);letter-spacing:-.045em;line-height:1;margin:0 0 26px}.compare-table th:first-child{min-width:190px;position:sticky;left:0;z-index:2;background:#ececea}.compare-table tbody th:first-child{background:#fff}.compare-table thead th:not(:first-child){color:var(--orange-deep);font-size:14px}.compare-guide-link{color:var(--orange-deep);font-weight:900}.comparison-note{border-left:4px solid var(--orange);background:var(--orange-soft);padding:16px 18px;font-size:12px;margin-top:18px;color:var(--muted)}
.selector-intro{padding:54px 0 24px;background:#fff}.selector-note{display:flex;align-items:flex-start;gap:12px;padding:16px 18px;border-left:4px solid var(--orange);background:var(--orange-soft);color:var(--muted);font-size:12px}.selector-note strong{color:var(--ink)}.selector-form-section{padding:34px 0 72px;background:#fff}.selector-form{border:1px solid var(--line);border-radius:24px;padding:28px;background:var(--panel)}.selector-form-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.selector-form-head h2{margin:0;font-size:30px;letter-spacing:-.03em}.selector-form-head p{margin:0;color:var(--muted);font-size:12px}.selector-question-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.selector-question{min-width:0;margin:0;padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff}.selector-question legend{padding:0 7px;font-size:15px;font-weight:950}.selector-options{display:grid;gap:8px}.selector-option{display:grid;grid-template-columns:auto 1fr;gap:1px 10px;align-items:start;padding:11px 12px;border:1px solid var(--line);border-radius:10px;cursor:pointer}.selector-option:has(input:checked){border-color:var(--orange);background:var(--orange-soft)}.selector-option input{grid-row:1/3;margin:4px 0 0;accent-color:var(--orange)}.selector-option strong{font-size:12px}.selector-option span{font-size:10px;color:var(--muted);line-height:1.4}.selector-submit{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:20px}.selector-submit p{max-width:620px;margin:0;color:var(--muted);font-size:11px}.selector-results{padding:72px 0;background:var(--dark);color:#fff}.selector-results[hidden]{display:none}.selector-results .section-head p{color:#c8c8c5}.recommendation-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.recommendation-grid:has(.recommendation-card:nth-child(2):last-child){grid-template-columns:repeat(2,1fr)}.recommendation-card{display:flex;flex-direction:column;border:1px solid #4c4849;border-radius:18px;padding:24px;background:#2b2728}.recommendation-card:first-child{border-color:var(--orange);box-shadow:0 0 0 1px var(--orange)}.recommendation-rank{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#ff9a62;font-weight:900}.recommendation-name{margin:8px 0 12px;color:#fff;font-size:36px;font-weight:950;letter-spacing:-.04em}.recommendation-card p{margin:0;color:#c8c8c5;font-size:13px}.recommendation-card ul{margin:16px 0 22px;padding-left:18px;color:#dfdfdc;font-size:12px}.recommendation-card li+li{margin-top:7px}.recommendation-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}.recommendation-actions a{padding:9px 11px;border:1px solid #5a5657;border-radius:9px;text-decoration:none;font-size:11px;font-weight:900}.recommendation-actions a:first-child{border-color:var(--orange);background:var(--orange);color:#fff}.selector-followup{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:24px;padding:22px;border:1px solid #4c4849;border-radius:16px;background:#211e1f}.selector-followup p{margin:0;color:#c8c8c5;font-size:12px}.selector-followup .button{color:#fff;border-color:#6c6869}
.site-footer{background:#181617;color:#cfcfcf;padding:30px 0}.footer-inner{display:flex;justify-content:space-between;gap:24px;align-items:center;font-size:12px}.footer-inner a{color:#fff}.footer-note{max-width:760px;color:#aeadab}
@media(max-width:900px){.hero-grid,.section-head{grid-template-columns:1fr}.three-grid,.library-grid{grid-template-columns:1fr 1fr}.header-nav a:not(.cta){display:none}.hero-grid{gap:34px}.material-code{font-size:84px}.material-selector-grid{grid-template-columns:repeat(3,1fr)}.chart-grid,.profile-grid{grid-template-columns:1fr}.selector-question-grid{grid-template-columns:1fr}.recommendation-grid{grid-template-columns:1fr 1fr}.recommendation-grid:has(.recommendation-card:nth-child(3)) .recommendation-card:first-child{grid-column:1/-1}}
@media(max-width:620px){.wrap{width:min(100% - 26px,var(--max))}.brand{width:215px}.material-hero{padding-top:26px}.three-grid,.library-grid,.read-grid{grid-template-columns:1fr}.metric strong{font-size:21px}.material-code{font-size:68px}.material-nav{grid-template-columns:1fr}.library-callout,.footer-inner,.results-head,.selector-form-head,.selector-submit,.selector-followup{align-items:flex-start;flex-direction:column}.library-hero{padding-top:55px}.header-inner{min-height:66px}.material-selector-grid{grid-template-columns:1fr 1fr}.chart-row{grid-template-columns:70px 1fr 62px}.profile-row{grid-template-columns:70px 1fr 25px}.compare-actions{align-items:flex-start;flex-direction:column}.usage-section{padding-top:20px}.usage-figure{border-radius:16px}.usage-figure img{aspect-ratio:4/3}.usage-figure figcaption{padding:44px 18px 16px;font-size:15px}.selector-form{padding:17px}.selector-question{padding:15px}.recommendation-grid{grid-template-columns:1fr}.recommendation-card:first-child{grid-column:auto}}