Layout com primeira linha em destaque para revista da cidade
Crie um layout de capitular para o contexto de uma revista urbana: com conteúdo real, controles acionáveis, feedback de estado claro e layout responsivo em vários tamanhos.
É possível editar, executar e salvar este exemplo após ativar JavaScript. O código-fonte fixo é o seguinte:
<!doctype html>
<html lang="pt-BR" dir="ltr">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Layout com primeira linha em destaque para revista da cidade</title>
<style>
:root { --ink:#30231f; --paper:#f9efe5; --accent:#8b6fb0; --secondary:#d7a971; --line:color-mix(in srgb, var(--ink) 18%, transparent); --shadow:0 24px 60px color-mix(in srgb, var(--ink) 16%, transparent); color-scheme:light; }
* { box-sizing:border-box; }
html { min-width:320px; background:var(--paper); }
body { min-height:100vh; margin:0; overflow-x:hidden; color:var(--ink); font-family:"Hiragino Maru Gothic ProN","PingFang SC",sans-serif; background:radial-gradient(circle at 15% 10%,color-mix(in srgb,var(--secondary) 35%,transparent) 0 9%,transparent 10%),radial-gradient(circle at 90% 75%,color-mix(in srgb,var(--accent) 18%,transparent) 0 12%,transparent 13%),var(--paper); }
button,input,select,textarea { color:inherit; font:inherit; }
button,[role="button"],input,select,textarea { accent-color:var(--accent); }
button { cursor:pointer; }
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible { outline:3px solid var(--accent); outline-offset:3px; }
[hidden] { display:none !important; }
@media (max-width:700px) { .mast h1 { line-height:1.08 !important; letter-spacing:-.035em !important; overflow-wrap:anywhere; } }
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto !important; animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; } }
.page{width:min(1140px,calc(100% - 28px));margin:auto;padding:54px 0}.mast{display:flex;justify-content:space-between;align-items:center;gap:24px;margin:0 12px 28px}.mast h1{font-family:"Hiragino Maru Gothic ProN","PingFang SC",sans-serif;font-weight:900;font-size:clamp(38px,8vw,82px);letter-spacing:-.035em;margin:0;line-height:.98}.eyebrow{display:inline-flex;padding:7px 12px;border-radius:999px;color:var(--paper);background:var(--accent);font-weight:900}.intro{max-width:620px;line-height:1.65}.scenario{padding:12px 18px;border-radius:999px;background:var(--secondary);box-shadow:0 7px 0 color-mix(in srgb,var(--ink) 18%,transparent);font-weight:900}.demo{border-radius:46px 18px 46px 18px;box-shadow:0 18px 0 color-mix(in srgb,var(--secondary) 45%,transparent);position:relative;min-height:390px;overflow:hidden;padding:clamp(22px,5vw,54px);background:color-mix(in srgb,var(--paper) 90%,#fff)}@media(max-width:700px){.mast{display:grid}.page{width:calc(100% - 16px);padding:18px 0}.demo{padding:17px}}
.panel{padding:24px;border-block:1px solid var(--ink);background:transparent}.stack{display:grid;gap:22px}.row{display:flex;flex-wrap:wrap;gap:16px}.action{padding:8px 0;border:0;border-bottom:1px solid currentColor;background:transparent;letter-spacing:.08em}.action.primary,.action.is-active{color:var(--accent);border-bottom-width:4px}.status{min-height:28px;margin-top:20px;font-style:italic}.metric{font-family:Didot,serif;font-size:clamp(38px,8vw,76px)}.muted{max-width:54ch;line-height:1.8}.meter{position:relative;height:3px;background:var(--line)}.meter>i{position:absolute;inset:0 auto 0 0;background:var(--accent)}.chip{padding-bottom:3px;border-bottom:1px solid var(--ink);font-size:13px}
.composition-gallery{margin:0;padding:clamp(8px,2vw,18px);border:1px solid var(--ink);background:color-mix(in srgb,var(--paper) 78%,transparent)}.gallery-caption{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:15px 4px 2px;font-size:12px}.gallery-caption::before,.gallery-caption::after{content:"";height:1px;background:var(--line)}.gallery-caption strong{font:800 11px/1.2 ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase}.composition-gallery .demo{box-shadow:none}.composition-gallery .demo::before{content:"";position:absolute;inset:10px;border:1px dashed color-mix(in srgb,var(--accent) 36%,transparent);pointer-events:none}
.drop-cap-lab{display:grid;grid-template-columns:minmax(220px,.55fr) minmax(0,1.45fr);gap:18px}.drop-cap-controls{display:grid;align-content:start;gap:18px}.drop-cap-controls label{display:grid;grid-template-columns:1fr auto;gap:8px;font-weight:800}.drop-cap-controls input{grid-column:1/-1;width:100%}.drop-article{--drop-lines:4;min-height:410px;padding:clamp(28px,7vw,78px);border:1px solid var(--line);background:var(--paper)}.drop-article>span{color:var(--accent);font:800 11px/1 ui-monospace,monospace;letter-spacing:.2em}.drop-article h3{max-width:16ch;margin:.45em 0;font-size:clamp(34px,6vw,68px);line-height:1}.drop-article p{max-width:62ch;font-size:18px;line-height:1.85}.drop-article p:first-of-type::first-letter{float:left;margin:.06em .12em 0 0;font-size:calc(var(--drop-lines)*1em);font-weight:900;line-height:.72;color:var(--accent)}.drop-article.is-outline p:first-of-type::first-letter{color:transparent;-webkit-text-stroke:2px var(--accent)}@media(max-width:720px){.drop-cap-lab{grid-template-columns:1fr}.drop-article{min-height:0}.drop-article p{font-size:16px}}.workflow-session{display:grid;gap:14px}.session-command{display:grid;grid-template-columns:1fr auto minmax(170px,.45fr) auto;gap:16px;align-items:end;padding:18px;border-block:4px double var(--ink)}.session-command h2{margin:.2em 0}.session-command output{font:900 clamp(28px,5vw,54px)/1 ui-monospace,monospace}.session-command label{display:grid;grid-template-columns:1fr auto;gap:7px;font-size:12px}.session-command input{grid-column:1/-1;width:100%}#workflowSessionProgress{height:12px;overflow:hidden;border-radius:2px;background:var(--line)}#workflowSessionProgress i{display:block;width:0;height:100%;background:var(--accent)}.session-stage{min-width:0;transition:filter .25s,transform .25s}.session-stage[data-session-phase="running"]{transform:translateY(-3px)}.session-stage[data-session-phase="paused"]{filter:grayscale(.65)}.session-stage[data-session-phase="complete"]{filter:contrast(.78);opacity:.72}.session-log{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start}.session-log ol{display:flex;flex-wrap:wrap;gap:7px;padding:0;margin:0;list-style:none}.session-log li{padding:5px 8px;border:1px solid var(--line);font-size:12px}@media(max-width:900px){.session-stage{order:-1}.session-command{grid-template-columns:1fr auto}.session-command label{grid-column:1/-1}.session-log{grid-template-columns:1fr}}
</style>
</head>
<body data-aesthetic="playful" data-composition="gallery-frame">
<main class="page">
<header class="mast"><div><span class="eyebrow">brincalhão / texto com letra capitular / ADVANCED</span><h1>Layout com primeira linha em destaque para revista da cidade</h1><p class="intro">Crie um layout de capitular para o contexto de uma revista urbana: com conteúdo real, controles acionáveis, feedback de estado claro e layout responsivo em vários tamanhos.</p></div><span class="scenario">Revista da cidade</span></header>
<figure class="composition-gallery"><section class="demo" aria-label="área interativa do layout com capitular da revista da cidade"><div class="workflow-session"><header class="session-command"><div><span class="eyebrow">Revista da Cidade SESSION</span><h2>Cronômetro de fechamento de edição da revista</h2></div><output id="workflowSessionClock">00:45</output><label>Duração da rodada<input id="workflowSessionLength" type="range" min="15" max="90" step="15" value="45"><span>s</span></label><button id="workflowSessionToggle" class="action primary" type="button">Começar a revisão</button></header><div id="workflowSessionProgress" role="progressbar" aria-label="Progresso de fechamento da edição da revista" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><i></i></div><section id="workflowCore" class="workflow-core session-stage" data-session-phase="ready" tabindex="-1"><!-- 11DZ_CORE_START:typography-text-drop-cap --><div class="drop-cap-lab"><aside class="drop-cap-controls panel"><span class="eyebrow">DROP CAP</span><h2>Layout com inicial elevada</h2><label>letras capitulares <input id="dropRows" type="range" min="2" max="6" value="4" data-core-bridge="typography-text-drop-cap"><output id="dropRowsValue">4 linha</output></label><div class="row" role="group" aria-label="Estilo da letra inicial"><button class="action drop-style is-active" type="button" data-drop-style="solid" aria-pressed="true">Negrito</button><button class="action drop-style" type="button" data-drop-style="outline" aria-pressed="false">Contorno</button></div></aside><article id="dropArticle" class="drop-article"><span>Revista da cidade · EDITORIAL</span><h3>Criar ritmo de leitura a partir da primeira letra</h3><p>O vento passa pela esquina, trazendo o som de papel e folhas. A capitular rebaixa o primeiro caractere e transforma a abertura em uma âncora visual, conduzindo o leitor naturalmente para a história sem quebrar a ordem semântica do parágrafo.</p><p>Em telas estreitas, o layout reduz as margens, mas a letra inicial ainda mantém uma relação clara com a linha de base do texto principal.</p></article></div><!-- 11DZ_CORE_END --></section><footer class="session-log"><strong id="workflowSessionScore">0 pontos de verificação de interação</strong><ol id="workflowSessionLaps" aria-label="Registro da rodada"></ol></footer></div><p id="status" class="status" role="status" aria-live="polite"></p></section><figcaption class="gallery-caption"><strong>Revista da cidade / GALLERY 03</strong></figcaption></figure>
</main>
<script>
'use strict';
const statusOutput = document.querySelector('#status');
const announce = message => { statusOutput.textContent = message; };
/* 11DZ_CORE_SCRIPT_START:typography-text-drop-cap */
const dropArticle=document.querySelector('#dropArticle');const dropRows=document.querySelector('#dropRows');function renderDropRows(){dropArticle.style.setProperty('--drop-lines',dropRows.value);document.querySelector('#dropRowsValue').textContent=dropRows.value+' linha';announce('Letra capitular '+dropRows.value+' linha');}dropRows.addEventListener('input',renderDropRows);document.querySelectorAll('.drop-style').forEach(button=>button.addEventListener('click',()=>{const outline=button.dataset.dropStyle==='outline';dropArticle.classList.toggle('is-outline',outline);document.querySelectorAll('.drop-style').forEach(item=>{const selected=item===button;item.classList.toggle('is-active',selected);item.setAttribute('aria-pressed',String(selected));});announce('Usado'+button.textContent+'Capitular');}));renderDropRows();
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"typography-text-drop-cap","selector":"[data-core-bridge=\"typography-text-drop-cap\"]","mode":"range","key":"ArrowRight"};const workflowBridgeCore=document.querySelector('#workflowCore');const workflowBridgeControl=workflowBridgeCore.querySelector(workflowBridgeSpec.selector);if(!workflowBridgeControl)throw new Error('Missing core bridge: '+workflowBridgeSpec.name);const workflowBridgeControlledId=workflowBridgeControl.getAttribute('aria-controls');const workflowBridgeControlled=workflowBridgeControlledId?document.getElementById(workflowBridgeControlledId):null;workflowBridgeCore.dataset.workflowBridge=workflowBridgeSpec.name;workflowBridgeCore.dataset.workflowVersion='0';function workflowBridgeSerialize(){const visualNode=workflowBridgeCore.firstElementChild||workflowBridgeCore;const visual=getComputedStyle(visualNode);const outputs=[...workflowBridgeCore.querySelectorAll('output,[role="status"],[aria-live],meter,progress')].map(node=>node.textContent.trim()+'|'+node.getAttribute('aria-valuenow')+'|'+node.getAttribute('value'));const canvas=[...workflowBridgeCore.querySelectorAll('canvas')].map(node=>{try{return node.toDataURL().slice(-160);}catch{return 'canvas-unavailable';}});return JSON.stringify({html:workflowBridgeCore.innerHTML,status:statusOutput.textContent,outputs,canvas,visual:[visual.display,visual.visibility,visual.opacity,visual.transform,visual.filter,visual.backgroundColor,visual.width,visual.height],scroll:workflowBridgeSpec.mode==='scroll'?workflowBridgeControl.scrollTop:null});}let workflowBridgeLastEffect=workflowBridgeSerialize();function workflowBridgeSummary(){const label=(workflowBridgeControl.getAttribute('aria-label')||workflowBridgeControl.textContent||workflowBridgeControl.value||workflowBridgeSpec.name).trim().replace(/\s+/g,' ').slice(0,72);return label+' · versão principal '+workflowBridgeCore.dataset.workflowVersion;}function workflowBridgeCommit(){const effect=workflowBridgeSerialize();if(effect===workflowBridgeLastEffect)return {changed:false,summary:workflowBridgeSummary()};workflowBridgeLastEffect=effect;workflowBridgeCore.dataset.workflowVersion=String(Number(workflowBridgeCore.dataset.workflowVersion||0)+1);return {changed:true,summary:workflowBridgeSummary()};}function workflowBridgeScheduleCommit(){queueMicrotask(workflowBridgeCommit);setTimeout(workflowBridgeCommit,0);}workflowBridgeControl.addEventListener("input",workflowBridgeScheduleCommit);workflowBridgeControl.addEventListener('change',workflowBridgeScheduleCommit);const workflowBridgeStateTargets=new Set(workflowBridgeCore.querySelectorAll('dialog'));if(workflowBridgeControlled&&workflowBridgeCore.contains(workflowBridgeControlled))workflowBridgeStateTargets.add(workflowBridgeControlled);workflowBridgeStateTargets.forEach(target=>['close','cancel','toggle'].forEach(eventName=>target.addEventListener(eventName,workflowBridgeScheduleCommit)));function workflowBridgeActivate(){workflowBridgeControl.focus();const step=Number(workflowBridgeControl.step)||1;const min=workflowBridgeControl.min===''?-Infinity:Number(workflowBridgeControl.min);const max=workflowBridgeControl.max===''?Infinity:Number(workflowBridgeControl.max);let next=Math.min(max,Math.max(min,(Number(workflowBridgeControl.value)||0)+step));if(next===Number(workflowBridgeControl.value))next=Math.max(min,Number(workflowBridgeControl.value)-step);workflowBridgeControl.value=String(next);workflowBridgeControl.dispatchEvent(new Event('input',{bubbles:true}));workflowBridgeControl.dispatchEvent(new Event('change',{bubbles:true}));const result=workflowBridgeCommit();setTimeout(workflowBridgeCommit,0);return result;}function workflowBridgeReset(){workflowBridgeCore.dataset.workflowVersion='0';workflowBridgeLastEffect=workflowBridgeSerialize();}
const workflowSessionCore=document.querySelector('#workflowCore');const workflowSessionToggle=document.querySelector('#workflowSessionToggle');const workflowSessionLength=document.querySelector('#workflowSessionLength');const workflowSessionState={phase:'ready',elapsed:0,limit:Number(workflowSessionLength.value),checkpoints:[],timer:null};function workflowSessionFormat(seconds){return String(Math.floor(seconds/60)).padStart(2,'0')+':'+String(seconds%60).padStart(2,'0');}function workflowSessionDrive(){const percent=Math.min(100,Math.round(workflowSessionState.elapsed/workflowSessionState.limit*100));document.querySelector('#workflowSessionClock').textContent=workflowSessionFormat(Math.max(0,workflowSessionState.limit-workflowSessionState.elapsed));const progress=document.querySelector('#workflowSessionProgress');progress.setAttribute('aria-valuenow',String(percent));progress.querySelector('i').style.width=percent+'%';workflowSessionCore.dataset.sessionPhase=workflowSessionState.phase;document.querySelector('#workflowSessionScore').textContent=workflowSessionState.checkpoints.length+' pontos de verificação de interação';}function workflowSessionLap(label){workflowSessionState.checkpoints.push({label,at:workflowSessionState.elapsed});const item=document.createElement('li');item.textContent=label+' · '+workflowSessionFormat(workflowSessionState.elapsed);document.querySelector('#workflowSessionLaps').append(item);workflowSessionDrive();}function workflowSessionStop(complete=false){clearInterval(workflowSessionState.timer);workflowSessionState.timer=null;workflowSessionState.phase=complete?'complete':'paused';workflowSessionToggle.textContent=complete?'Reiniciar':'Continuar rodada';workflowSessionToggle.setAttribute('aria-pressed','false');workflowSessionDrive();announce(complete?'Rodada de fechamento da revista concluída':'A rodada foi pausada');}function workflowSessionStart(){if(workflowSessionState.phase==='complete'){workflowSessionState.elapsed=0;workflowSessionState.checkpoints=[];document.querySelector('#workflowSessionLaps').replaceChildren();}workflowSessionState.phase='running';workflowSessionToggle.textContent='Pausar rodada';workflowSessionToggle.setAttribute('aria-pressed','true');const bridge=workflowBridgeActivate();workflowSessionLap(bridge.summary);clearInterval(workflowSessionState.timer);workflowSessionState.timer=setInterval(()=>{workflowSessionState.elapsed+=1;if(workflowSessionState.elapsed>=workflowSessionState.limit){workflowSessionStop(true);return;}workflowSessionDrive();},1000);workflowSessionDrive();announce('A rodada de fechamento da revista já começou · '+bridge.summary);}workflowSessionToggle.addEventListener('click',()=>workflowSessionState.phase==='running'?workflowSessionStop():workflowSessionStart());workflowSessionLength.addEventListener('input',()=>{workflowSessionState.limit=Number(workflowSessionLength.value);workflowSessionState.elapsed=Math.min(workflowSessionState.elapsed,workflowSessionState.limit);workflowSessionDrive();});workflowSessionCore.addEventListener('keydown',event=>{if(event.key==='Enter'||event.key===' '){workflowSessionLap('operação por teclado');}});workflowSessionCore.addEventListener('click',event=>{if(event.target.closest('[data-core-bridge]'))workflowSessionLap('Ação principal · '+workflowBridgeSummary());});document.addEventListener('visibilitychange',()=>{if(document.hidden&&workflowSessionState.phase==='running')workflowSessionStop();});workflowSessionDrive();
workflowBridgeReset();
</script>
</body>
</html>