/* Review-only proposals. Product colors are inherited from the editor's Pop Comic tokens. */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body { margin: 0; color: var(--pf-ink); background: var(--pf-paper); font: 15px/1.6 var(--pf-font-body); }
button, input, textarea { font: inherit; color: inherit; }
a { color: inherit; text-underline-offset: 4px; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { opacity: .45; cursor: default; }
:focus-visible { outline: var(--pf-focus-ring); outline-offset: 4px; }
[hidden] { display: none !important; }
.pf-skip { position: fixed; top: -100px; left: 14px; z-index: 100; padding: 12px; background: var(--pf-primary); }
.pf-skip:focus { top: 12px; }
.concept-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 24px; background: #e8edfa; color: #293c68; border-bottom: 1px solid #bec9df; font-size: 11px; }
.concept-label { text-decoration: none; font-weight: 800; font-size: 10px; letter-spacing: .05em; }
.concept-label span { font-weight: 500; letter-spacing: 0; }
.concept-bar nav { display: flex; flex-wrap: wrap; gap: 4px; }
.concept-bar nav a { padding: 6px 11px; border-radius: 4px; text-decoration: none; font-weight: 600; }
.concept-bar nav a[aria-current] { background: #293c68; color: white; }
.concept-hint { color: #50607f; }
.site-header { height: 86px; border-bottom: 2px solid var(--pf-ink); background: var(--pf-paper); }
.header-inner { max-width: 1220px; height: 100%; margin: auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: flex; gap: 11px; align-items: center; text-decoration: none; flex-shrink: 0; }
.brand-name { font: 500 28px/.95 var(--pf-font-display); letter-spacing: -.04em; text-transform: uppercase; }
.brand small { display: block; font: 600 8px/1 var(--pf-font-body); letter-spacing: .15em; margin-top: 8px; }
.brand-mark { display: grid; grid-template-columns: 11px 11px; gap: 3px; width: 27px; height: 31px; transform: rotate(-6deg); }
.brand-mark i { display: block; border: 2px solid var(--pf-ink); background: var(--pf-primary); }
.brand-mark i:first-child { grid-row: span 2; }
.brand-mark i:last-child { background: var(--pf-tint); }
.site-nav, .header-actions { display: flex; align-items: center; gap: 24px; }
.site-nav a, .header-actions > a:not(.pf-button) { font-size: 12px; font-weight: 600; text-decoration: none; }
.site-nav a:hover, .footer-links a:hover { text-decoration: underline; }
.pf-button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 44px; padding: 11px 19px; border: 2px solid var(--pf-ink); border-radius: var(--pf-control-radius); background: var(--pf-paper); color: var(--pf-ink); font-size: 13px; font-weight: 750; line-height: 1.3; text-decoration: none; }
.pf-button:hover { background: var(--pf-soft); }
.pf-button--primary { background: var(--pf-primary); box-shadow: var(--pf-button-shadow); }
.pf-button--primary:hover { background: #f5d43f; }
.pf-button--ink { background: var(--pf-ink); color: var(--pf-paper); box-shadow: 3px 3px 0 #908d7d; }
.pf-button--ink:hover { background: #383b43; }
.pf-button--small { padding: 9px 14px; min-height: 39px; font-size: 12px; }
.pf-icon { width: 22px; height: 22px; flex-shrink: 0; }
.container { max-width: 1156px; padding: 0 32px; margin: auto; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 18px; font-size: 10px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow::before { content: ''; width: 19px; height: 3px; background: var(--pf-primary); border: 1px solid var(--pf-ink); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, .display { font-family: var(--pf-font-display); font-weight: 500; text-transform: uppercase; }
h1 { font-size: clamp(46px,5.5vw,75px); line-height: 1.02; letter-spacing: -.02em; margin-bottom: 25px; }
h2 { font-size: clamp(32px,3.4vw,46px); line-height: 1.12; letter-spacing: -.01em; margin-bottom: 16px; }
h3 { font-size: 17px; line-height: 1.35; margin-bottom: 10px; }
p { color: var(--pf-muted); }
.lead { font-size: 16px; line-height: 1.75; max-width: 470px; margin-bottom: 27px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.hero-note { font-size: 11px; color: var(--pf-muted); }
.hero-note b { color: var(--pf-ink); }
.inline-link { font-size: 12px; font-weight: 650; color: var(--pf-action); }
.section { padding: 85px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 32px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading p { max-width: 330px; font-size: 13px; margin-bottom: 4px; }
.paper-stage { background: var(--pf-stage); background-image: var(--pf-canvas-pattern); background-size: 7px 7px; }
.studio-hero h1 { font-size: clamp(43px,4.4vw,60px); }
.studio-hero { display: grid; grid-template-columns: .94fr 1.15fr; gap: 45px; align-items: center; padding: 52px 0 48px; }
.hero-visual { position: relative; min-width: 0; }
.editor-window { position: relative; border: 2px solid var(--pf-ink); border-radius: 7px; background: var(--pf-paper); box-shadow: 7px 8px 0 var(--pf-ink); overflow: hidden; }
.window-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 13px; font-size: 10px; font-weight: 650; border-bottom: 1px solid var(--pf-line); background: var(--pf-paper); }
.window-dots { letter-spacing: 3px; color: #b7b19f; }
.editor-window img { display: block; width: 100%; height: auto; }
.visual-label { display: inline-flex; align-items: center; gap: 8px; padding: 11px 15px; border: 2px solid var(--pf-ink); border-radius: 5px; background: var(--pf-primary); font-size: 11px; font-weight: 750; position: absolute; right: -8px; bottom: 28px; transform: rotate(-3deg); box-shadow: 2px 3px 0 var(--pf-ink); }
.visual-footnote { margin: 31px 0 0; font-size: 10px; color: var(--pf-muted); text-align: center; }
.feature-strip { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-block: 2px solid var(--pf-ink); background: var(--pf-paper); }
.feature-strip article { padding: 26px 24px; border-right: 1px solid var(--pf-line); }
.feature-strip article:last-child { border: 0; }
.feature-strip .pf-icon { margin-bottom: 12px; color: var(--pf-action); }
.feature-strip h3 { font-size: 14px; margin: 0 0 6px; }
.feature-strip p { font-size: 12px; margin: 0; }
.feature-strip .container { display: contents; }
.benefit-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.benefit { min-width: 0; }
.benefit-visual { height: 180px; display: flex; align-items: center; justify-content: center; position: relative; margin-bottom: 23px; border: 2px solid var(--pf-ink); border-radius: 6px; overflow: hidden; }
.benefit p { font-size: 13px; margin-bottom: 0; }
.ink-block { background: var(--pf-ink); color: var(--pf-paper); }
.file-stack { display: flex; gap: 9px; align-items: center; }
.file-stack span { display: grid; place-items: center; width: 62px; height: 77px; border: 1px solid var(--pf-paper); border-radius: 4px; font-size: 13px; font-weight: 750; transform: rotate(-5deg); }
.file-stack span:nth-child(2) { background: var(--pf-primary); color: var(--pf-ink); border-color: var(--pf-primary); transform: rotate(3deg); }
.file-stack span:last-child { transform: rotate(9deg); }
.voice-visual { background: var(--pf-tint); }
.wave { display: flex; align-items: center; gap: 5px; height: 60px; }
.wave i { display: block; width: 5px; border-radius: 4px; background: var(--pf-action); }
.voice-chip { display: flex; align-items: center; gap: 10px; position: absolute; bottom: 13px; right: 16px; padding: 6px 10px; background: var(--pf-paper); border: 1px solid var(--pf-ink); border-radius: 4px; font-size: 10px; }
.bundle-sheet { transform: rotate(-5deg); padding: 21px 25px; border: 2px solid var(--pf-ink); background: var(--pf-paper); box-shadow: 5px 5px 0 var(--pf-primary); text-align: center; }
.bundle-sheet strong { font-family: var(--pf-font-display); font-size: 24px; display: block; font-weight: 500; }
.bundle-sheet span { font-size: 10px; }
.tour-band { display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center; padding: 32px 36px; background: var(--pf-primary); border: 2px solid var(--pf-ink); border-radius: 6px; box-shadow: 5px 5px 0 var(--pf-ink); }
.tour-band .display { font-size: 44px; line-height: 1; }
.tour-band h3 { margin-bottom: 5px; }
.tour-band p { margin: 0; font-size: 13px; color: var(--pf-ink); }
.pricing { border-block: 1px solid var(--pf-line); background: var(--pf-soft); }
.pricing-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: center; }
.price { display: flex; gap: 13px; align-items: baseline; margin: 15px 0 20px; }
.price strong { font: 500 76px/.9 var(--pf-font-display); letter-spacing: -.03em; }
.price span { font-size: 12px; color: var(--pf-muted); }
.price-points { display: grid; gap: 0; }
.price-point { display: grid; grid-template-columns: 30px 1fr; gap: 14px; align-items: start; padding: 19px 0; border-bottom: 1px solid var(--pf-line); }
.price-point:last-child { border-bottom: 0; }
.check { font-size: 17px; color: var(--pf-action); font-weight: 800; }
.price-point h3 { font-size: 14px; margin: 0 0 4px; }
.price-point p { font-size: 12px; margin: 0; }
.pricing-footnote { font-size: 11px; line-height: 1.7; margin: 19px 0 0; }
.faq-layout { display: grid; grid-template-columns: .65fr 1fr; gap: 90px; }
.faq-list details { border-bottom: 1px solid var(--pf-line); }
.faq-list details:first-child { border-top: 1px solid var(--pf-line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; padding: 19px 0; list-style: none; font-size: 14px; font-weight: 650; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; font-size: 23px; font-weight: 400; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { font-size: 13px; max-width: 570px; margin-bottom: 23px; }
.final-cta { padding: 46px 32px; border-top: 2px solid var(--pf-ink); background: var(--pf-primary); text-align: center; }
.final-cta h2 { font-size: 35px; margin: 0 0 20px; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 25px 32px; max-width: 1220px; margin: auto; font-size: 10px; color: var(--pf-muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { text-decoration: none; }
/* Concept 02: panels and the creation sequence tell the story. */
.story-hero { padding: 58px 0 0; }
.story-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 44px; margin-bottom: 37px; }
.story-intro h1 { font-size: clamp(48px,5.2vw,71px); max-width: 670px; margin: 0; }
.story-intro .lead { font-size: 14px; max-width: 325px; margin: 0 0 22px; }
.story-intro .hero-actions { margin: 0 0 9px; }
.comic-sequence { display: grid; grid-template-columns: 1.25fr .76fr 1fr; grid-template-rows: 230px; gap: 10px; }
.story-panel { border: 2px solid var(--pf-ink); position: relative; overflow: hidden; }
.story-panel > img { width: 100%; height: 100%; object-fit: cover; }
.story-caption { position: absolute; top: 13px; left: 13px; right: 13px; padding: 7px 10px; background: var(--pf-paper); border: 1px solid var(--pf-ink); font-size: 10px; font-weight: 650; }
.panel-last { background: var(--pf-tint); display: grid; place-items: center; }
.panel-last .wave { margin: auto; }
.story-bubble { position: relative; margin: 0 22px 22px; padding: 12px 18px; border: 2px solid var(--pf-ink); border-radius: 50%; background: var(--pf-paper); font-size: 12px; text-align: center; }
.story-bubble::after { content: ''; position: absolute; bottom: -12px; left: 34px; border: 12px solid transparent; border-top-color: var(--pf-ink); transform: rotate(22deg); border-bottom: 0; }
.story-controls { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0 35px; }
.story-controls p { margin: 0; font-size: 11px; }
.scene-picker { display: flex; align-items: center; gap: 6px; }
.scene-picker button { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--pf-ink); background: var(--pf-paper); border-radius: 4px; font-size: 11px; font-weight: 750; }
.scene-picker button[aria-pressed=true] { background: var(--pf-primary); box-shadow: 2px 2px 0 var(--pf-ink); }
.story-panel.is-selected { outline: 4px solid var(--pf-primary); outline-offset: -6px; }
.workflow-row { display: grid; grid-template-columns: 64px 1fr 1fr; gap: 38px; align-items: center; padding: 44px 0; border-bottom: 1px solid var(--pf-line); }
.workflow-row:last-child { border-bottom: 0; }
.step-num { font: 500 56px/1 var(--pf-font-display); color: var(--pf-ink); opacity: .2; }
.workflow-copy h3 { font-family: var(--pf-font-display); font-size: 30px; text-transform: uppercase; font-weight: 500; }
.workflow-copy p { font-size: 13px; margin: 0; }
.workflow-mini { min-height: 140px; padding: 18px; border: 2px solid var(--pf-ink); border-radius: 5px; background: var(--pf-soft); display: flex; align-items: center; justify-content: center; gap: 14px; }
.format-tag { padding: 11px 14px; border: 1px solid var(--pf-ink); background: var(--pf-paper); font-size: 12px; font-weight: 800; border-radius: 3px; }
.workflow-mini .mini-label { max-width: 130px; font-size: 11px; }
.why-notes { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.why-notes span { padding: 7px 11px; font-size: 10px; border: 1px solid var(--pf-line); border-radius: 4px; }
/* Concept 03: a direct route into the three common workflows. */
.start-hero { padding: 48px 0 36px; text-align: center; }
.start-hero .eyebrow { justify-content: center; }
.start-hero h1 { font-size: clamp(44px,4.7vw,64px); }
.start-hero .lead { margin: 0 auto 30px; max-width: 590px; font-size: 15px; }
.start-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; margin: 22px 0 24px; text-align: left; }
.start-card { display: flex; flex-direction: column; background: var(--pf-paper); border: 2px solid var(--pf-ink); border-radius: 6px; padding: 22px; box-shadow: 3px 3px 0 var(--pf-ink); }
.start-card:first-child { background: var(--pf-primary); }
.start-card .start-symbol { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--pf-ink); border-radius: 5px; background: var(--pf-paper); margin-bottom: 16px; }
.start-card h3 { font-family: var(--pf-font-display); font-size: 26px; text-transform: uppercase; font-weight: 500; }
.start-card p { font-size: 12px; flex: 1; margin-bottom: 20px; }
.start-card:first-child p { color: #514b29; }
.start-card a { display: flex; justify-content: space-between; gap: 12px; align-items: center; text-decoration: none; font-size: 12px; font-weight: 750; }
.start-card a:hover { text-decoration: underline; }
.start-tour { display: flex; align-items: center; justify-content: center; gap: 20px; padding: 22px 26px; border: 1px dashed #a09b89; border-radius: 5px; background: var(--pf-paper); text-align: left; }
.start-tour p { margin: 0; font-size: 12px; }
.start-tour strong { display: block; color: var(--pf-ink); font-size: 14px; }
.start-workspace { display: grid; grid-template-columns: 1.02fr 1fr; gap: 50px; align-items: center; }
.feature-list { display: grid; gap: 22px; }
.feature-list article { display: flex; gap: 16px; }
.feature-list .pf-icon { color: var(--pf-action); margin-top: 2px; }
.feature-list h3 { margin: 0 0 5px; font-size: 14px; }
.feature-list p { font-size: 12px; margin: 0; }
.integration { display: grid; grid-template-columns: 1fr 1fr; border: 2px solid var(--pf-ink); border-radius: 6px; overflow: hidden; }
.integration > div { padding: 38px; }
.integration .ink-block h2 { font-size: 36px; }
.integration .ink-block p { color: #d0cfc6; font-size: 13px; margin: 0; }
.integration-points { display: grid; align-content: center; gap: 20px; background: var(--pf-soft); }
.integration-points p { margin: 0; color: var(--pf-ink); font-size: 13px; }
.integration-points strong { display: block; font-size: 14px; margin-bottom: 2px; }
/* Concept chooser, outside the depicted product. */
.comparison { max-width: 1200px; padding: 65px 28px; margin: auto; }
.comparison h1 { font-size: 52px; margin-bottom: 18px; }
.comparison > p { max-width: 710px; }
.concept-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; margin-top: 38px; }
.concept-card { border: 2px solid var(--pf-ink); border-radius: 6px; overflow: hidden; background: var(--pf-soft); box-shadow: 3px 3px 0 var(--pf-ink); }
.concept-card > div { padding: 25px; }
.concept-card .concept-thumbnail { height: 210px; padding: 24px 22px; background: var(--pf-stage); border-bottom: 2px solid var(--pf-ink); position: relative; overflow: hidden; }
.concept-thumbnail b { display: block; font: 500 34px/.98 var(--pf-font-display); margin-bottom: 18px; text-transform: uppercase; }
.concept-thumbnail img { width: 65%; height: auto; border: 2px solid var(--pf-ink); border-radius: 3px; position: absolute; right: -10px; bottom: -5px; transform: rotate(-5deg); }
.concept-thumbnail--story { background: var(--pf-primary) !important; }
.concept-thumbnail--start { background: var(--pf-tint) !important; }
.concept-card h2 { font: 750 18px var(--pf-font-body); text-transform: none; }
.concept-card p { font-size: 13px; min-height: 64px; }
.concept-card .inline-link { margin-left: 14px; white-space: nowrap; }
.comparison-note { font-size: 12px; margin: 32px 0; }
/* Clickable guided-tour prototype, intentionally isolated from real comic data. */
.tour-dialog { width: min(1110px,calc(100vw - 32px)); max-width: none; max-height: calc(100dvh - 32px); overflow: auto; padding: 0; border: 2px solid var(--pf-ink); border-radius: 8px; background: var(--pf-paper); color: var(--pf-ink); box-shadow: 7px 7px 0 var(--pf-ink); }
.tour-dialog::backdrop { background: #171a23b8; }
.tour-header { display: flex; gap: 20px; align-items: center; justify-content: space-between; padding: 18px 23px; border-bottom: 2px solid var(--pf-ink); }
.tour-header h2 { font: 750 15px var(--pf-font-body); text-transform: none; margin: 0; }
.tour-header p { font-size: 10px; margin: 3px 0 0; }
.tour-close { border: 1px solid var(--pf-line); background: transparent; width: 34px; height: 34px; border-radius: 4px; font-size: 22px; }
.tour-content { display: grid; grid-template-columns: minmax(0,1fr) 300px; min-height: 460px; }
.tour-studio { background: var(--pf-stage); display: grid; grid-template-columns: 128px minmax(0,1fr); min-width: 0; }
.tour-library { background: var(--pf-paper); border-right: 1px solid var(--pf-line); padding: 18px 12px; }
.tour-library > strong { font: 500 19px var(--pf-font-display); text-transform: uppercase; }
.tour-library > p { font-size: 9px; margin: 5px 0 14px; }
.tour-assets { display: grid; grid-template-columns: 1fr; gap: 9px; }
.tour-asset { padding: 3px; border: 1px solid var(--pf-line); border-radius: 4px; background: var(--pf-paper); text-align: center; font-size: 9px; }
.tour-asset[aria-pressed=true] { border: 2px solid var(--pf-action); background: var(--pf-tint); }
.tour-asset img { display: block; width: 100%; height: 57px; object-fit: cover; margin-bottom: 3px; }
.tour-canvas { padding: 25px; align-self: center; }
.tour-sheet { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; padding: 10px; width: 100%; max-width: 340px; margin: auto; height: 360px; background: white; border: 2px solid var(--pf-ink); box-shadow: 4px 5px 0 var(--pf-ink); }
.tour-panel { border: 2px solid var(--pf-ink); background: #e5e6e8; position: relative; overflow: hidden; min-width: 0; }
.tour-panel:first-child { grid-column: span 2; }
.tour-sheet.is-four .tour-panel:first-child { grid-column: auto; }
.tour-panel > img { width: 100%; height: 100%; object-fit: cover; }
.tour-panel.is-focus { outline: 3px solid var(--pf-action); outline-offset: 2px; z-index: 1; }
.tour-sheet.is-zoom .tour-panel.is-focus { transform: scale(1.08); z-index: 2; }
.tour-figure { position: absolute; height: 70%; bottom: 2px; left: 20%; width: 40%; object-fit: contain !important; }
.tour-bubble { position: absolute; top: 10px; right: 10px; left: 10px; padding: 9px; border: 1px solid var(--pf-ink); border-radius: 40%; background: var(--pf-paper); font-size: 10px; line-height: 1.4; text-align: center; overflow-wrap: anywhere; }
.tour-coach { padding: 28px 24px; border-left: 2px solid var(--pf-ink); display: flex; flex-direction: column; }
.tour-step { font-size: 10px; letter-spacing: .1em; font-weight: 750; color: var(--pf-action); }
.tour-coach h3 { font: 500 30px/1.08 var(--pf-font-display); text-transform: uppercase; margin: 13px 0 15px; }
.tour-coach > p { font-size: 13px; margin-bottom: 20px; }
.tour-choices { display: flex; flex-wrap: wrap; gap: 9px; }
.tour-choices button { min-height: 40px; border: 1px solid var(--pf-ink); border-radius: 4px; padding: 8px 11px; background: var(--pf-paper); font-size: 11px; font-weight: 650; }
.tour-choices button[aria-pressed=true] { background: var(--pf-primary); box-shadow: 2px 2px 0 var(--pf-ink); }
.tour-text-label { display: grid; gap: 8px; font-size: 11px; }
.tour-text-label textarea { width: 100%; padding: 10px; border: 1px solid var(--pf-ink); border-radius: 4px; min-height: 90px; resize: vertical; font-size: 13px; }
.tour-feedback { min-height: 37px; margin: 16px 0 22px; font-size: 11px; color: var(--pf-success); }
.tour-progress { display: flex; gap: 4px; margin-top: auto; }
.tour-progress span { flex: 1; height: 4px; background: var(--pf-line); }
.tour-progress span.is-done { background: var(--pf-primary); border: 1px solid var(--pf-ink); }
.tour-navigation { display: flex; justify-content: space-between; gap: 10px; margin-top: 18px; }
.tour-navigation button { flex: 1; }
.tour-footer { padding: 10px 24px; border-top: 1px solid var(--pf-line); font-size: 10px; color: var(--pf-muted); }
@media(max-width:1050px) {
  .concept-hint { display: none; }
  .site-nav { gap: 18px; }
  .header-actions > a:not(.pf-button) { display: none; }
  .studio-hero { gap: 35px; }
  .hero-visual { margin-right: 12px; }
  .story-intro { gap: 24px; }
  .pricing-layout, .faq-layout { gap: 55px; }
  .concept-card > div { padding: 20px; }
  .concept-card .inline-link { display: block; margin: 20px 0 0; }
}
@media(max-width:780px) {
  .concept-bar { flex-wrap: wrap; gap: 6px; padding: 10px 16px; justify-content: center; }
  .concept-label { width: 100%; text-align: center; }
  .site-header { height: 75px; }
  .header-inner { padding: 0 20px; }
  .site-nav { display: none; }
  .container { padding: 0 23px; }
  h1 { font-size: clamp(44px,9vw,68px); }
  .studio-hero { grid-template-columns: 1fr; padding: 45px 0 55px; gap: 34px; }
  .hero-visual { margin: 0 12px 0 0; }
  .lead { max-width: 580px; }
  .feature-strip { grid-template-columns: 1fr 1fr; }
  .feature-strip article { padding: 22px; }
  .feature-strip article:nth-child(2) { border-right: 0; }
  .feature-strip article:nth-child(-n+2) { border-bottom: 1px solid var(--pf-line); }
  .section { padding: 57px 0; }
  .section-heading { display: block; }
  .section-heading p { margin: 16px 0 0; }
  .benefit-grid { gap: 22px; grid-template-columns: 1fr; }
  .benefit { display: grid; grid-template-columns: 150px 1fr; gap: 22px; align-items: center; }
  .benefit-visual { height: 140px; margin-bottom: 0; }
  .tour-band { grid-template-columns: 1fr; gap: 15px; padding: 28px; }
  .tour-band .display { display: none; }
  .tour-band .pf-button { justify-self: start; }
  .pricing-layout, .faq-layout { grid-template-columns: 1fr; gap: 30px; }
  .price strong { font-size: 64px; }
  .site-footer { padding: 25px 22px; flex-direction: column; align-items: flex-start; gap: 15px; }
  .story-intro { display: block; }
  .story-intro h1 { margin-bottom: 22px; }
  .story-intro .lead { max-width: 520px; }
  .story-intro .hero-actions { margin-bottom: 20px; }
  .comic-sequence { grid-template-columns: 1fr 1fr; grid-template-rows: 175px 140px; }
  .story-panel:first-child { grid-column: span 2; }
  .story-controls { align-items: flex-start; }
  .story-controls p { max-width: 200px; }
  .workflow-row { grid-template-columns: 42px 1fr; gap: 18px; padding: 32px 0; }
  .step-num { font-size: 40px; align-self: start; }
  .workflow-mini { grid-column: 2; }
  .start-hero { padding-top: 42px; }
  .start-grid { grid-template-columns: 1fr; gap: 15px; }
  .start-card { display: grid; grid-template-columns: 43px 1fr; column-gap: 20px; padding: 22px; }
  .start-card .start-symbol { grid-row: span 2; margin: 0; }
  .start-card h3 { font-size: 25px; margin-bottom: 4px; }
  .start-card p { margin-bottom: 15px; }
  .start-card a { grid-column: 2; }
  .start-tour { flex-direction: column; align-items: flex-start; gap: 15px; }
  .start-workspace { grid-template-columns: 1fr; gap: 38px; }
  .integration { grid-template-columns: 1fr; }
  .integration > div { padding: 28px; }
  .comparison { padding: 40px 23px; }
  .comparison h1 { font-size: 39px; }
  .concept-grid { grid-template-columns: 1fr; }
  .concept-card p { min-height: 0; }
  .concept-card .inline-link { display: inline-block; margin: 0 0 0 15px; }
  .tour-content { grid-template-columns: 1fr; }
  .tour-coach { border-left: 0; border-top: 2px solid var(--pf-ink); padding: 23px; }
  .tour-coach h3 { font-size: 27px; }
  .tour-studio { min-height: 280px; grid-template-columns: 90px 1fr; }
  .tour-canvas { padding: 20px; }
  .tour-sheet { height: 270px; max-width: 280px; }
  .tour-library { padding: 14px 8px; }
  .tour-asset img { height: 39px; }
  .tour-header { padding: 15px; }
  .tour-footer { padding: 10px 15px; }
}
@media(max-width:390px) {
  .brand-name { font-size: 25px; }
  .brand-mark { display: none; }
  .header-inner { gap: 12px; }
  .header-actions .pf-button { padding: 10px 12px; font-size: 11px; }
  .benefit { grid-template-columns: 1fr; gap: 15px; }
  .benefit-visual { height: 150px; }
  .story-controls { flex-wrap: wrap; }
  .hero-actions .pf-button { flex: 1; min-width: 130px; padding-inline: 10px; }
  .concept-bar nav a { padding-inline: 9px; }
}
@media(prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
.tour-dialog { overscroll-behavior: contain; }
.tour-header { position: sticky; top: 0; z-index: 5; background: var(--pf-paper); }
@media(pointer:coarse) { .tour-choices button, .scene-picker button { min-width: 44px; min-height: 44px; } }
.mobile-nav { display: none; position: relative; }
.mobile-nav > summary { display: grid; place-items: center; width: 36px; height: 39px; border: 1px solid var(--pf-ink); border-radius: 4px; font-size: 18px; cursor: pointer; list-style: none; }
.mobile-nav > summary::-webkit-details-marker { display: none; }
.mobile-nav nav { position: absolute; right: 0; top: calc(100% + 10px); width: 210px; padding: 8px; z-index: 20; background: var(--pf-paper); border: 2px solid var(--pf-ink); border-radius: 5px; box-shadow: var(--pf-button-shadow); }
.mobile-nav a { display: block; min-height: 42px; padding: 10px; text-decoration: none; font-size: 12px; font-weight: 600; }
.mobile-nav a:hover { background: var(--pf-soft); }
@media(max-width:780px) { .mobile-nav { display: block; margin-left: auto; } .header-inner { gap: 12px; } }
@media(max-width:350px) { .header-inner { padding-inline: 15px; gap: 9px; } .mobile-nav > summary { width: 30px; } }
.concept-card .concept-thumbnail { padding: 0; }
.concept-thumbnail img { position: static; width: 100%; height: 100%; border: 0; border-radius: 0; object-fit: cover; object-position: top; transform: none; }
.comparison { padding-top: 42px; }
.comparison h1 { font-size: 46px; }
.concept-grid { margin-top: 26px; }
.concept-card .concept-thumbnail { height: 185px; }
.concept-card > div:not(.concept-thumbnail) { padding: 22px; }
@media(max-width:780px) { .comparison h1 { font-size: 39px; } }