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@media(max-width:760px){.site-header{height:82px}.site-header,.site-footer,main{width:calc(100% - 36px)}.site-header nav{gap:19px;font-size:12px}.wordmark{font-size:26px}.wordmark img{width:25px;height:25px;margin-right:0}.hero{grid-template-columns:1fr;gap:15px;padding:45px 0 35px}.hero h1{font-size:clamp(51px,10.8vw,75px);letter-spacing:-1.8px}.eyebrow{font-size:10px;letter-spacing:1.3px;margin-bottom:24px}.lead{font-size:17px;max-width:520px}.hero-art{width:245px;justify-self:center;margin:4px 0 5px}.section-caption{align-items:flex-start;gap:9px;flex-direction:column;margin-bottom:20px}.section-caption>span{font-size:11px}.category-grid{grid-template-columns:1fr;gap:14px}.category-card{padding:23px 25px;display:grid;grid-template-columns:minmax(0,1fr) 118px;column-gap:8px}.category-card .card-number{grid-column:1;align-self:start;font-size:10px}.category-card h3{grid-column:1;font-size:30px;margin-top:18px}.category-card p{grid-column:1;margin-bottom:19px;font-size:13px;max-width:250px}.category-art{grid-column:2;grid-row:1/4;align-self:center;width:100%;height:110px;margin:0}.category-card .card-bottom{grid-column:1/-1;font-size:11px;padding-top:13px}.category-card:hover{transform:none}.how-strip{align-items:flex-start;flex-direction:column;gap:13px;padding:26px 0;margin-top:17px}.how-strip p{font-size:11px;gap:8px;flex-wrap:wrap}.how-strip i{margin:0 2px}.how-label{font-size:23px}.orientation{padding-top:22px}.site-footer{margin-top:42px;padding:26px 0;gap:18px}.site-footer>div{gap:20px;flex-wrap:wrap;font-size:11px}.site-footer p{width:100%;flex-basis:100%}.collection-head{margin-top:20px;margin-bottom:25px;gap:24px}.collection-head h1{font-size:45px}.collection-head p{font-size:15px}.experiment-list{grid-template-columns:1fr;gap:12px}.experiment-card{padding:22px;gap:20px}.experiment-card h2{font-size:26px}.experiment-card .mini-art{flex-basis:61px;height:61px}.category-note{font-size:12px}.experience-nav p{font-size:10px}.experience-heading{padding:18px 0 22px}.experience-heading h1{font-size:39px}.experience-heading p{font-size:14px}.experience-layout,.reveal-layout{grid-template-columns:1fr;gap:21px}.stimulus{min-height:220px;padding:16px}.experiment-svg{max-height:330px}.response-panel{padding:24px}.answer-options{grid-template-columns:1fr 1fr}.choice{font-size:12px;min-height:50px;padding:10px}.confidence-options{grid-template-columns:repeat(2,1fr)}.response-panel .primary{min-height:48px}.stimulus-notice{font-size:11px}.reveal-copy h2{font-size:29px}.reveal-copy p{font-size:14px}.deeper{margin-top:20px}.reveal-actions{margin-top:22px;padding-top:22px}.journal-controls{flex-direction:column;gap:20px;padding:21px}.journal-entry{grid-template-columns:1fr;gap:13px;padding:21px}.journal-heading h1{font-size:45px}.journal-heading p{font-size:14px}.journal-privacy{font-size:11px}.journal-controls .button-row{width:100%}.study-card{min-height:230px}.study-card .study-word{font-size:50px}.sequence-grid{max-width:310px}.sequence-tile{font-size:20px;border-radius:10px}.word-review{gap:7px}.word-review>div{font-size:12px;padding:11px 9px}.reveal-copy .observation p{font-size:12px}.recognition-results{font-size:12px}.audio-safe{font-size:11px}.guide-heading{padding-top:40px}.guide-experiment h2{font-size:31px}}
@media(max-width:380px){.site-header,.site-footer,main{width:calc(100% - 28px)}.site-header nav{gap:12px}.category-card{padding:21px;grid-template-columns:minmax(0,1fr) 94px}.category-card h3{font-size:27px}.category-art{height:95px}.hero h1{font-size:49px}.hero-art{width:220px}.response-panel{padding:19px}.answer-options{grid-template-columns:1fr}.confidence-options{grid-template-columns:1fr 1fr}.experience-heading h1{font-size:35px}.experiment-card{gap:15px;padding:20px 16px}.experiment-card h2{font-size:23px}.experiment-card .mini-art{flex-basis:49px;height:49px}.experiment-card .arrow{font-size:19px}.sequence-grid{gap:9px}.word-review{grid-template-columns:repeat(3,minmax(0,1fr))}.word-review>div{padding:10px 6px;font-size:11px}.how-strip p{gap:6px}.how-strip i{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(forced-colors:active){.category-card,.stimulus,.response-panel,.experiment-card,.sequence-tile,.choice,.primary,.secondary{border:1px solid CanvasText}.sequence-tile.active{outline:4px solid Highlight;outline-offset:-5px}.choice:has(input:checked){outline:2px solid Highlight}.hero-art,.category-art{forced-color-adjust:none}.experiment-svg{forced-color-adjust:none}.word-review>div{border-color:CanvasText}}
@media print{.site-header nav,.button-row,.reveal-actions,.skip-experience,.site-footer>div{display:none}.site-header,.site-footer,main{width:100%}.reveal-layout{display:block}.stimulus{break-inside:avoid}.deeper>div{display:block}.site-footer{margin-top:20px}.hero-art{max-width:220px}}
.sound-construction{margin-top:22px;border:1px solid var(--line);border-radius:6px;padding:16px 19px;background:#f7eee3}.sound-construction summary{font-size:13px;font-weight:600}.sound-construction>div{padding-top:14px}.sound-construction>p{font-size:11px;color:var(--muted);line-height:1.6;margin:7px 0 0}

.phase-indicator{display:flex;flex-wrap:wrap;gap:10px 20px;list-style:none;padding:0;margin:0 0 22px;font-size:12px;color:var(--muted)}.phase-indicator li{display:flex;align-items:center;gap:7px}.phase-indicator li>span{display:flex;align-items:center;justify-content:center;width:22px;height:22px;border:1px solid var(--line);border-radius:50%;font-size:11px}.phase-indicator [aria-current="step"]{font-weight:600;color:var(--ink)}.phase-indicator [aria-current="step"]>span{border-color:var(--ink);background:var(--ink);color:var(--paper)}.study-settings .study-duration{font-size:12px;margin:0 0 17px}#stimulus,#experience-heading,#probe-word,#recall-words,#sequence-tile-1,#reveal-heading{scroll-margin-top:24px}
@media(max-width:520px){.sequence-comparison{grid-template-columns:1fr;gap:25px}.sequence-review-grid{max-width:270px}.phase-indicator{gap:8px 14px}.sequence-tile-id{font-size:14px}}
@media(forced-colors:active){.sequence-step{border-color:CanvasText}.phase-indicator [aria-current="step"]{text-decoration:underline}}
.streaming-heading{font-family:var(--sans);font-size:18px;margin:0 0 12px;scroll-margin-top:24px}.streaming-comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:15px 0}.streaming-comparison section{min-width:0}.reveal-copy .streaming-comparison h3{font-size:12px;margin:0 0 9px;line-height:1.5}.reveal-copy .streaming-observation .field-note{font-size:11px;margin-top:12px}
@media(max-width:520px){.streaming-comparison{grid-template-columns:1fr;gap:18px}}

/* Nousophy shell: the main site's Newsreader/Plex and luminous palette.
   Keep scientific drawings on their original neutral surface in both themes. */
@media screen {
  :root {
    color-scheme:dark;
    --paper:#111a1d;--white:#19262a;--ink:#edf1ec;--muted:#b4c5c6;
    --line:#3c5156;--accent:#a0dfe7;--control-border:#819b9e;
    --surface-soft:#152226;--field-bg:#16272c;--card-hover:#1c3036;
    --mint:#d2e9ea;--mint-ink:#20545f;
    --peach:#f0dfd3;--peach-ink:#793c26;
    --lilac:#e4def1;--lilac-ink:#58406e;
    --error:#f0b6a6;--focus-ring:#a0dfe7;
  }
  :root[data-theme="light"] {
    color-scheme:light;
    --paper:#f0f2ef;--white:#fafbf8;--ink:#172c30;--muted:#4a6164;
    --line:#b9c9c9;--accent:#176572;--control-border:#6c8589;
    --surface-soft:#e6eeec;--field-bg:#f9fbf9;--card-hover:#e0ecec;
    --error:#893a27;--focus-ring:#176572;
  }
  /* Pin inherited variables as well as background/currentColor: SVG text,
     memory words, result tables and controls must not inherit the dark shell. */
  .stimulus,.sound-construction {
    color-scheme:light;
    --paper:#f6f4ec;--white:#fffdf8;--ink:#192f3a;--muted:#586466;
    --line:#d5d7cb;--accent:#244f43;--control-border:#829083;
    --surface-soft:#eaf0e7;--field-bg:#fffef9;--card-hover:#e8ecdf;
    --error:#893a27;--focus-ring:#24645e;
    color:var(--ink);background:var(--white);
  }
  .sound-construction {background:#f7eee3}
  h1,h2,h3,p,li {overflow-wrap:break-word}
  .hero-copy,.collection-head>div,.experiment-card>div {min-width:0}
  .site-header {height:auto;min-height:100px;padding-block:18px;flex-wrap:wrap;gap:12px 24px}
  .wordmark {font-size:2.7rem;font-weight:500;letter-spacing:-.045em;gap:10px}
  .wordmark img {width:1.1em;height:1.1em;margin:0;object-fit:contain}
  .site-header nav {gap:24px;flex-wrap:wrap;align-items:center;font-size:.9375rem}
  .site-header nav a[aria-current="page"] {color:var(--accent);text-underline-offset:7px}
  .theme-toggle {min-height:44px;padding:8px 14px;border:1px solid var(--control-border);border-radius:999px;background:transparent;color:var(--ink);font-size:.875rem}
  .theme-toggle:hover {background:var(--card-hover)}
  .journal-dot {background:var(--accent)}
  :is(button,a,summary,input,textarea,select):focus-visible {outline-color:var(--focus-ring)}
  .skip-link {background:var(--ink);color:var(--paper)}
  .hero {padding:24px 0 20px;gap:40px;grid-template-columns:1.2fr .8fr}
  .hero h1 {font-size:clamp(3.5rem,6.5vw,5.6rem);font-weight:400;line-height:1.02;letter-spacing:-.04em}
  .hero h1 em {font-weight:400;color:var(--accent)}
  .eyebrow,.card-number,.overline {font-size:.8125rem;letter-spacing:.08em}
  .eyebrow {color:var(--muted);margin-bottom:26px}
  .lead {font-size:1.125rem;line-height:1.7;color:var(--muted);max-width:510px}
  .hero .lead {font-size:1.6875rem}
  .hero-art {max-width:360px;padding:12px;width:100%}
  .brand-orbit {position:relative;aspect-ratio:1;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center}
  .brand-orbit::before {content:"";position:absolute;inset:9%;border:1px solid var(--line);border-radius:50%}
  .brand-orbit::after {content:"";position:absolute;inset:20%;border:1px solid var(--line);border-radius:50%}
  .brand-orbit img {position:relative;z-index:1;width:87%;height:auto}
  .section-caption {padding-top:18px;border-top:1px solid var(--line)}
  .section-caption h2 {font-family:var(--serif);font-weight:400;font-size:1.875rem;letter-spacing:-.025em}
  .section-caption>span {font-size:.875rem}
  .category-card {min-width:0;overflow-wrap:anywhere;border-radius:18px;padding:26px 28px 24px;border-top:4px solid var(--category-edge);transition:border-color 150ms ease}
  .category-card:hover {transform:none;border-color:var(--category-edge)}
  .category-card.vision {--category-edge:#54bcaa}
  .category-card.hearing {--category-edge:#e5a650}
  .category-card.memory {--category-edge:#7967df}
  .category-card h3 {font-size:2rem;font-weight:400;letter-spacing:-.025em}
  .category-card .card-number {font-size:1.625rem;line-height:1.35}
  .category-card p {font-size:2rem;line-height:1.4;max-width:none}
  .category-card .card-bottom {font-size:1rem;line-height:1.4;gap:12px}
  .category-card .card-bottom>span {flex-shrink:0}
  .how-strip {gap:28px;padding-block:30px}
  .how-strip p {font-size:.9375rem;flex-wrap:wrap}
  .how-strip p span {color:var(--accent);font-size:.8125rem}
  .how-strip i {color:var(--muted)}
  .orientation summary {font-size:1rem;min-height:44px;cursor:pointer}
  .orientation p {font-size:1rem}
  .site-footer {font-size:.875rem}
  .site-footer small {font-size:.8125rem}
  .site-footer>div a {min-height:44px;display:inline-flex;align-items:center}
  .back-link,.category-tabs a {font-size:.9375rem}
  .experiment-card {border-radius:14px;padding:28px;background:var(--white)}
  .experiment-card h2 {font-size:1.875rem;font-weight:400;line-height:1.2}
  .experiment-card p,.experiment-card .overline {font-size:.875rem}
  .experiment-card .overline {letter-spacing:.04em}
  .experiment-card .mini-art {color:var(--mint-ink)}
  .collection-hearing .mini-art {color:var(--peach-ink)}
  .collection-memory .mini-art {color:var(--lilac-ink)}
  .collection-vision .experiment-card {border-left:3px solid #54bcaa}
  .collection-hearing .experiment-card {border-left:3px solid #e5a650}
  .collection-memory .experiment-card {border-left:3px solid #7967df}
  .category-note {font-size:.9375rem}
  .experience-heading h1,.collection-head h1,.journal-heading h1,.guide-heading h1 {font-weight:400}
  .experience-heading p,.journal-heading p {font-size:1.0625rem}
  .experience-nav p,.step-label,.phase-indicator {font-size:.8125rem}
  .response-panel,.study-settings,.journal-controls,.journal-entry {border-radius:14px}
  .response-panel h2 {font-size:1.125rem}
  .choice-field legend,.choice,.confidence-options .choice {font-size:.9375rem}
  .choice {border-color:var(--control-border);padding:12px;min-height:48px}
  .choice:has(input:checked) {background:var(--surface-soft)}
  .field-note,.stimulus-notice,.audio-safe,.audio-status,.journal-privacy,.journal-prompt,.memory-support {font-size:.875rem}
  .primary,.secondary {font-size:.9375rem;min-height:48px;border-radius:999px;padding:12px 20px}
  .primary {background:var(--accent);border-color:var(--accent);color:var(--paper)}
  .primary:hover {background:var(--ink);border-color:var(--ink);color:var(--paper)}
  .secondary {border-color:var(--control-border)}
  .secondary:hover {background:var(--card-hover)}
  .text-button {font-size:.875rem}
  .response-error {color:var(--error);font-size:.875rem}
  .control-row label,.control-row output,.study-settings .control-row label {font-size:.9375rem}
  .control-row input[type="range"],.journal-toggle input {accent-color:var(--accent)}
  .study-settings select,.recall-input {background:var(--field-bg);color:var(--ink);border-color:var(--control-border)}
  .study-settings>p,.study-settings .study-duration {font-size:1rem}
  .reveal-kicker {color:var(--accent);font-size:.875rem}
  .reveal-copy h2 {font-weight:400;font-size:2.125rem}
  .reveal-copy p,.deeper p,.deeper li,.guide-experiment p,.guide-experiment li {color:var(--muted);font-size:1rem;line-height:1.75}
  .reveal-copy h3,.deeper summary,.guide-experiment h3 {font-size:1rem}
  .observation {background:var(--surface-soft);border-color:var(--accent);border-radius:0 12px 12px 0}
  .reveal-copy .observation p {font-size:.9375rem}
  .limits {font-size:.875rem!important}
  .journal-empty {background:var(--surface-soft);border:1px solid var(--line);border-radius:14px}
  .journal-empty p,.journal-entry p,.journal-toggle {font-size:1rem}
  .journal-entry h2 {font-size:1rem}
  .journal-entry time,.journal-entry .conditions,.journal-entry .confidence {font-size:.875rem}
  .clear-confirmation,.interruption {background:var(--surface-soft);border-color:var(--control-border);color:var(--ink)}
  .storage-warning {background:var(--surface-soft);color:var(--error)}
  .guide-nav {gap:12px 22px;font-size:1rem}
  .guide-nav a {min-height:44px;display:inline-flex;align-items:center}
  .guide-experiment .source-list li {font-size:.9375rem}
  .guide-experiment h2 {font-weight:400}
  @media(max-width:1000px) {
    .hero {gap:24px;padding:24px 0 20px}
    .category-grid {grid-template-columns:repeat(2,minmax(0,1fr))}
    .hero h1 {font-size:clamp(3.5rem,7vw,5rem)}
    .category-card {padding:24px 22px}
    .category-card h3 {font-size:1.8rem}
  }
  @media(max-width:760px) {
    .site-header {min-height:86px;padding-block:16px}
    .wordmark {font-size:2.2rem}
    .site-header nav {gap:18px;font-size:.875rem}
    .hero {grid-template-columns:1fr;gap:24px;padding:24px 0 20px}
    .hero h1 {font-size:clamp(3.25rem,10vw,4.75rem)}
    .hero-art {width:190px;justify-self:center;margin:0;padding:0}
    .eyebrow {font-size:.8125rem}
    .category-grid {grid-template-columns:1fr}
    .category-card {padding:24px;display:flex}
    .category-card h3 {font-size:1.875rem}
    .category-card p {font-size:2rem;max-width:none}
    .category-card .card-number {font-size:1.625rem}
    .category-art {height:100px}
    .section-caption>span {font-size:.875rem}
    .how-strip p {font-size:.875rem}
    .site-footer>div {font-size:.875rem}
    .experiment-card {padding:23px 20px;gap:16px}
    .experiment-card h2 {font-size:1.75rem}
    .category-note,.experience-heading p,.journal-heading p {font-size:1rem}
    .experience-nav {flex-wrap:wrap;gap:4px 20px}
    .experience-nav p {font-size:.8125rem}
    .reveal-copy p {font-size:1rem}
    .answer-options,.confidence-options {grid-template-columns:1fr}
    .choice,.confidence-options .choice {font-size:1rem}
    .reveal-copy .observation p {font-size:.9375rem}
    .site-footer p {min-width:0}
  }
  @media(max-width:440px) {
    .site-header {gap:8px}
    .site-header nav {width:100%;justify-content:space-between;gap:8px}
    .category-card {padding:22px}
    .category-card h3 {font-size:1.8rem}
    .hero-art {width:160px}
    .collection-head h1,.journal-heading h1 {font-size:2.7rem}
  }
}
@media(forced-colors:active) {
  :is(button,a,summary,input,textarea,select):focus-visible {outline-color:Highlight}
  .theme-toggle,.category-card,.experiment-card,.response-panel {border-color:CanvasText}
  .brand-orbit {border-color:CanvasText}
  .brand-orbit::before,.brand-orbit::after {display:none}
  .stimulus,.sound-construction {forced-color-adjust:none}
  .stimulus button,.stimulus input,.stimulus select {forced-color-adjust:auto}
}