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/* Soft scientific identity, matched to the supplied StressPy artwork. */
body{background-image:radial-gradient(ellipse at 70% 9%,#e8ede52b,transparent 45%)}
.brand{font-weight:600}.brand-icon{border:0;width:38px;height:38px}.brand-icon img{width:100%;height:100%}
h1{font-weight:650}h2{font-weight:550}.eyebrow{font-family:Arial,Helvetica,sans-serif;letter-spacing:2px;font-weight:600;font-size:12px}
.geometry{border:0}.figure-head{border-bottom:1px solid #d3dad480}.figure-bottom{font-size:12px;gap:16px}.hero-meta{font-size:12px;letter-spacing:.5px}.hero-meta i{flex-shrink:0}.figure-head,.small-label,.principle-strip span,.code-label,.note>span,.terminal-head,.terminal-foot{font-size:12px}
.primary{background:#103e32;color:#f8faf5;border-radius:6px}.primary:hover{background:#205546;color:#fff}.nav-cta{border-radius:5px}.feature{border-radius:4px;background:#f1f4efb3}.feature.normal{background:#f4f1f6a3}.diagnostic-grid article{background:#ffffff26}.terminal{color:#f4f7f0;border-radius:10px;overflow:hidden;box-shadow:0 14px 36px #12382b0b}.terminal-head,.terminal-foot{border-color:#345449}.command-row code span{color:#8dc6b9}.terminal button{color:#ecf3eb;background:#20483c;border-color:#547367;border-radius:4px}.terminal button:hover{border-color:#9ad7c6;color:#fff}.terminal-body{font-size:14px}.skip{background:#103e32;color:#fff}.research-note{border-left-color:#a0bbae}
@media(max-width:700px){.hero-meta{font-size:12px}.figure-head{font-size:12px}.figure-bottom{font-size:12px}.geometry svg{min-height:290px}.diagnostic-grid p{font-size:16px}}

/* Full-width original artwork with live, accessible headline copy. */
.hero-banner{position:relative;isolation:isolate;overflow:hidden;background:#f8f8f3}
.hero-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:-2}
.hero-banner:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#f8f8f3fa 0%,#f8f8f3ef 25%,#f8f8f38c 44%,#f8f8f300 66%)}
.hero-banner .hero{display:block;padding-top:72px;padding-bottom:66px;min-height:560px}
.hero-copy{max-width:570px}.hero-copy .hero-detail{max-width:465px}.hero-copy .intro{color:#3a514a}.hero-copy .hero-meta{color:#465e53;max-width:530px}
.framework-explainer{display:grid;grid-template-columns:1fr 1.05fr;gap:36px;align-items:center}.framework-explainer .framework-grid{grid-template-columns:1fr;gap:18px}.framework-explainer .feature{padding:23px 26px}.framework-explainer .feature p{margin:12px 0 18px}.framework-explainer .geometry{min-width:0}.framework-explainer .feature h3{margin-top:12px}.framework-explainer .takeaway{padding-top:13px}
@media(min-width:1600px){.hero-banner .hero{min-height:610px;padding-top:92px;padding-bottom:82px}.hero-art{object-position:center 55%}}
@media(max-width:950px){.hero-banner .hero{min-height:540px;padding-top:58px;padding-bottom:52px}.hero-copy{max-width:500px}.hero-banner:after{background:linear-gradient(90deg,#f8f8f3fa 0%,#f8f8f3ed 33%,#f8f8f360 66%,transparent)}.framework-explainer{gap:22px;grid-template-columns:1fr 1fr}}
@media(max-width:700px){.hero-banner .hero{padding-top:42px;padding-bottom:155px;min-height:0}.hero-art{object-position:70% bottom}.hero-banner:after{background:linear-gradient(180deg,#f8f8f3fa 0%,#f8f8f3f5 45%,#f8f8f3c9 65%,#f8f8f300 100%)}.hero-copy{max-width:100%}.hero-copy .hero-detail{max-width:460px}.framework-explainer{grid-template-columns:1fr;gap:26px}.framework-explainer .geometry{max-width:530px}.framework-explainer .framework-grid{grid-template-columns:1fr}.hero-copy .hero-meta{max-width:450px}}

/* Dark image band and overlapping ivory editorial panel. */
.hero-banner{background:#03191d;overflow:hidden;width:100%;max-width:none}
.hero-art{height:100%;object-position:center center}
.hero-banner:after{display:none}
.hero-banner .hero{padding-top:64px;padding-bottom:36px;min-height:0}
.hero-copy{max-width:630px;padding:34px 36px 30px;background:#f8f8f3;box-shadow:0 12px 32px #06251e0d}
.hero-copy h1{font-size:clamp(40px,4vw,58px);line-height:1.12;letter-spacing:-2px}
.hero-copy .hero-detail{max-width:100%}.hero-copy .eyebrow{margin-bottom:26px}.hero-copy .hero-meta{margin-top:35px;font-size:12px;gap:10px}.hero-copy .actions{gap:26px;flex-wrap:wrap}.hero-copy .intro{font-size:20px}
@media(min-width:1600px){.hero-banner .hero{padding-top:76px;padding-bottom:40px;min-height:0}}
@media(max-width:950px){.hero-banner .hero{padding-top:45px;padding-bottom:32px;min-height:0}.hero-copy{max-width:570px;padding:30px}.hero-copy h1{font-size:44px}}
@media(max-width:700px){.hero-banner .hero{padding-top:115px;padding-bottom:28px;min-height:0}.hero-art{height:100%;object-position:70% center}.hero-copy{max-width:100%;padding:26px 24px}.hero-copy h1{font-size:clamp(32px,7vw,44px);letter-spacing:-1.3px}.hero-copy .eyebrow{font-size:11px;letter-spacing:1.2px}.hero-copy .intro{font-size:18px}.hero-copy .actions{gap:19px}.hero-copy .hero-meta{font-size:12px;gap:8px}}

/* Full-width image band; the card overhangs into the ivory area below. */
.hero-banner{width:100%;max-width:none;background:#f8f8f3}
.hero-banner .hero-art{left:0;right:0;top:0;bottom:auto;width:100%;max-width:none;height:calc(100% - 140px);object-fit:cover;object-position:center}
@media(max-width:700px){.hero-banner .hero-art{height:calc(100% - 110px);object-position:70% center}}

.feedback-section{background:#edf1eb;border-top:1px solid var(--line);padding:64px 0}.feedback-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:70px}.feedback-grid p{color:var(--muted);max-width:450px}.email-address{color:var(--cyan);font-size:18px;overflow-wrap:anywhere}.feedback-hint{font-size:14px;margin-top:24px}.feedback-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}.feedback-grid label{display:block;font-size:14px;margin-bottom:8px;color:var(--text)}.feedback-grid label span{color:var(--muted)}.feedback-grid input,.feedback-grid select,.feedback-grid textarea{width:100%;font:inherit;font-size:16px;color:var(--text);background:#fafbf7;border:1px solid #aebfb5;border-radius:4px;padding:11px 12px;margin-bottom:20px}.feedback-grid textarea{resize:vertical;min-height:150px}.feedback-grid input:focus-visible,.feedback-grid select:focus-visible,.feedback-grid textarea:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}.feedback-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.feedback-actions .primary{border:0}.feedback-actions #copy-feedback{background:transparent;border-color:#aebfb5;color:#31564b;border-radius:4px;font-size:14px;min-height:44px}.feedback-status{font-size:14px;min-height:44px}nav{gap:24px}
@media(max-width:950px){.feedback-grid{gap:35px}}
@media(max-width:700px){.feedback-grid{grid-template-columns:1fr;gap:26px}.feedback-section{padding:45px 0}nav{flex-wrap:wrap;justify-content:flex-start;gap:12px 20px}.feedback-fields{grid-template-columns:1fr;gap:0}}

.diagnostic-card{cursor:pointer;transition:background .2s ease,box-shadow .2s ease}.diagnostic-card:hover,.diagnostic-card:focus-within{background:#eaf1eb;box-shadow:inset 0 3px #087f83}.diagnostic-open{display:flex;align-items:center;justify-content:space-between;width:100%;border:0;border-top:1px solid var(--line);background:transparent;color:#17685f;padding:14px 0 0;margin-top:20px;font-size:14px;text-align:left}.diagnostic-open span{font-size:20px}
#diagnostic-dialog{width:min(780px,calc(100% - 32px));max-height:calc(100dvh - 48px);padding:0;border:1px solid #b9cbbf;border-radius:10px;background:#f8f8f3;color:var(--text);box-shadow:0 28px 100px #001b2850;overflow:auto;overscroll-behavior:contain}#diagnostic-dialog::backdrop{background:#041d25a6;backdrop-filter:blur(5px)}#diagnostic-dialog[open]{animation:detail-enter .3s cubic-bezier(.2,.8,.2,1)}#diagnostic-dialog[open]::backdrop{animation:detail-shade .25s ease}.detail-shell{padding:42px;position:relative}.detail-close{position:absolute;right:16px;top:14px;border:1px solid #c5d1c9;background:transparent;color:#31564b;border-radius:50%;width:40px;height:40px;padding:0;font-size:28px;line-height:1}.detail-shell .eyebrow{padding-right:35px}.detail-shell h2{padding-right:20px;font-size:34px}.detail-lead{font-size:19px;color:#537064;margin:18px 0 28px}.detail-sections{display:grid;grid-template-columns:1fr 1fr;gap:24px 32px}.detail-sections section{border-top:1px solid #ccd8cf;padding-top:16px}.detail-sections h3{font-size:17px;margin:0 0 9px;color:#17685f}.detail-sections p{font-size:16px;line-height:1.7;color:#58655e;margin:0}.detail-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid #ccd8cf;margin-top:30px;padding-top:22px}.detail-footer span{font:12px monospace;letter-spacing:1px;color:#60756a}.detail-done{background:#103e32;color:#fff;border:0;border-radius:5px;font-size:14px;padding:12px 16px}body.details-open{overflow:hidden}@keyframes detail-enter{from{opacity:0;transform:translateY(20px) scale(.94)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes detail-shade{from{opacity:0}to{opacity:1}}
@media(max-width:600px){.detail-shell{padding:32px 24px 24px}.detail-sections{grid-template-columns:1fr;gap:20px}.detail-shell h2{font-size:28px}.detail-footer{align-items:flex-start;flex-direction:column}#diagnostic-dialog{max-height:calc(100dvh - 24px)}}@media(prefers-reduced-motion:reduce){#diagnostic-dialog[open],#diagnostic-dialog[open]::backdrop{animation:none}.diagnostic-card{transition:none}}