/* ===== Tokens ===== */
:root {
  --ink: #0b0b0b;
  --panel: #141414;
  --panel-2: #1c1c1c;
  --line: #2a2a2a;
  --paper: #f4f3ef;
  --paper-2: #e8e6df;
  --text: #f4f3ef;
  --text-dark: #111;
  --muted: #9b9a95;
  --muted-dark: #5d5c58;
  --accent: #ffc21a;          /* sinal / atenção */
  --accent-ink: #1a1400;
  --ok: #4ade80;
  --rec: #ff3b30;
  --mark-ink: #f4f3ef;

  --font: "Archivo", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --fs-hero: clamp(2.1rem, 1.1rem + 3.9vw, 4rem);
  --fs-h2: clamp(1.9rem, 1.2rem + 2.6vw, 3.2rem);
  --fs-lead: clamp(1.05rem, 1rem + 0.3vw, 1.2rem);

  --gutter: clamp(1rem, 0.5rem + 2.5vw, 2.5rem);
  --section: clamp(4.5rem, 3rem + 6vw, 8.5rem);
  --radius-sm: 6px;
  --radius: 14px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 72px;
  --demo-h: 34px;
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + var(--demo-h)); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font: 400 1rem/1.6 var(--font);
  font-variation-settings: "wdth" 100;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.02; letter-spacing: -0.02em; font-weight: 800; font-stretch: 118%; font-variation-settings: "wdth" 118; }
p { margin: 0; }
.mono { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.muted { color: var(--muted); }
.wrap { width: min(1200px, 100% - 2 * var(--gutter)); margin-inline: auto; }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 100; padding: 0.6rem 1rem; background: var(--accent); color: var(--accent-ink); border-radius: var(--radius-sm); }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.ico { width: 1.15em; height: 1.15em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  min-height: 52px; padding: 0 1.5rem;
  border: 1.5px solid transparent; border-radius: 999px;
  font: 700 0.98rem/1 var(--font); text-decoration: none; cursor: pointer;
  transition: transform 0.25s var(--ease), background-color 0.2s, border-color 0.2s, box-shadow 0.25s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn-accent { background: var(--accent); color: var(--accent-ink); box-shadow: 0 0 0 0 rgb(255 194 26 / 0.4); }
.btn-accent:hover { box-shadow: 0 10px 30px -10px rgb(255 194 26 / 0.7); }
.btn-ghost { border-color: var(--line); color: var(--text); background: rgb(255 255 255 / 0.03); }
.btn-ghost:hover { border-color: var(--text); }
.btn-sm { min-height: 42px; padding: 0 1.1rem; font-size: 0.9rem; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.header {
  position: fixed; inset: var(--demo-h) 0 auto; z-index: 50; height: var(--header-h);
  transition: background-color 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.header.is-scrolled { background: rgb(11 11 11 / 0.86); backdrop-filter: blur(12px); border-color: var(--line); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: var(--text); }
.brand-mark {
  display: block; width: 76px; aspect-ratio: 640 / 197; flex: none;
  background: var(--text);
  -webkit-mask: url("assets/logo-es.png") center / contain no-repeat;
  mask: url("assets/logo-es.png") center / contain no-repeat;
}
.brand-name { font-weight: 800; font-size: 0.82rem; line-height: 1.05; text-transform: uppercase; letter-spacing: 0.02em; font-variation-settings: "wdth" 120; }
.nav { display: flex; gap: 1.8rem; margin-left: auto; }
.nav a { font-size: 0.92rem; font-weight: 500; text-decoration: none; color: var(--muted); transition: color 0.2s; }
.nav a:hover { color: var(--text); }
.nav-phone { display: none; }
.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; position: relative; }
.menu-toggle span { position: absolute; left: 13px; right: 13px; height: 2px; background: var(--text); transition: transform 0.3s var(--ease); }
.menu-toggle span:first-child { top: 17px; }
.menu-toggle span:last-child { top: 25px; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative; padding: calc(var(--header-h) + var(--demo-h) + clamp(2.5rem, 6vw, 5.5rem)) 0 var(--section);
  background:
    radial-gradient(60% 50% at 85% 30%, rgb(255 194 26 / 0.08), transparent 70%),
    linear-gradient(var(--ink), var(--ink));
  overflow: hidden;
}
.hero::before { /* grade técnica */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgb(255 255 255 / 0.035) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(80% 70% at 60% 40%, #000, transparent);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.tag { display: inline-flex; align-items: center; gap: 0.6rem; padding: 0.4rem 0.85rem; border: 1px solid var(--line); border-radius: 999px; font: 500 0.75rem/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgb(74 222 128 / 0.15); }
.hero h1 { margin: 1.4rem 0 1.4rem; font-size: var(--fs-hero); }
.hl { color: var(--accent); }
.lead { font-size: var(--fs-lead); color: var(--muted); max-width: 34rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2.2rem; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 3rem 0 0; padding: 1.4rem 0 0; list-style: none; border-top: 1px solid var(--line); font-size: 0.86rem; color: var(--muted); line-height: 1.4; }
.hero-facts strong { display: block; color: var(--text); font-size: 1rem; margin-bottom: 0.2rem; }

/* Monitor (ilustração) */
.monitor {
  position: relative; padding: 0.8rem; border-radius: 18px;
  background: linear-gradient(160deg, #1d1d1d, #0f0f0f);
  border: 1px solid var(--line);
  box-shadow: 0 40px 80px -30px rgb(0 0 0 / 0.9), inset 0 1px 0 rgb(255 255 255 / 0.06);
  transform: rotate(1.2deg);
}
.monitor-bar { display: flex; justify-content: space-between; align-items: center; padding: 0.3rem 0.4rem 0.75rem; color: var(--muted); }
.rec { display: inline-flex; align-items: center; gap: 0.45rem; font: 600 0.72rem/1 var(--mono); letter-spacing: 0.1em; color: var(--text); }
.rec i { width: 8px; height: 8px; border-radius: 50%; background: var(--rec); animation: blink 1.4s steps(2, start) infinite; }
.monitor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.cam { position: relative; margin: 0; aspect-ratio: 5 / 3; border-radius: 8px; overflow: hidden; background: radial-gradient(120% 90% at 30% 20%, #1f2a24, #0b100d); }
.cam::after { /* scanlines */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgb(255 255 255 / 0.03) 0 1px, transparent 1px 3px);
}
.cam svg { width: 100%; height: 100%; }
.ln { fill: none; stroke: rgb(200 230 210 / 0.55); stroke-width: 1.4; stroke-linecap: round; }
.ln.dim { stroke: rgb(200 230 210 / 0.22); }
.cam figcaption { position: absolute; inset: auto 0 0; display: flex; justify-content: space-between; padding: 0.4rem 0.55rem; font: 500 0.62rem/1 var(--mono); letter-spacing: 0.08em; color: rgb(230 255 240 / 0.85); background: linear-gradient(transparent, rgb(0 0 0 / 0.6)); }
.cam:nth-child(4)::before { /* varredura */
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, transparent, rgb(255 194 26 / 0.18), transparent);
  width: 40%; animation: sweep 4s var(--ease) infinite;
}
.monitor-status { display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem; margin: 0; padding: 0.85rem 0.4rem 0.3rem; list-style: none; font-size: 0.8rem; color: var(--muted); }
.monitor-status li { display: inline-flex; align-items: center; gap: 0.45rem; }
.monitor-status b { color: var(--text); font-weight: 600; }
.monitor-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }

@keyframes blink { to { opacity: 0.2; } }
@keyframes sweep { from { transform: translateX(-100%); } to { transform: translateX(260%); } }

/* ===== Sections ===== */
.section { padding: var(--section) 0; }
.light { background: var(--paper); color: var(--text-dark); }
.section-head { max-width: 40rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2 { font-size: var(--fs-h2); margin: 0.9rem 0 1.1rem; }
.section-head p:not(.kicker) { font-size: var(--fs-lead); color: var(--muted); }
.light .section-head p:not(.kicker) { color: var(--muted-dark); }
.kicker { display: inline-flex; align-items: center; gap: 0.6rem; font: 500 0.75rem/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.kicker::before { content: ""; width: 22px; height: 2px; background: var(--accent); }
.light .kicker { color: var(--muted-dark); }

/* Serviços */
.services { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 2px solid var(--text-dark); }
.service { position: relative; padding: 2rem 1.6rem 2.4rem; border-right: 1px solid #cfccc3; transition: background-color 0.3s; }
.service:last-child { border-right: 0; }
.service:hover { background: #fff; }
.service:hover .service-ico { transform: translateY(-4px); stroke: var(--text-dark); }
.service-num { color: var(--muted-dark); }
.service-ico { width: 52px; height: 52px; margin: 2.2rem 0 1.6rem; fill: none; stroke: #3a3936; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform 0.35s var(--ease), stroke 0.2s; }
.service h3 { font-size: 1.45rem; margin-bottom: 0.8rem; }
.service p { color: var(--muted-dark); font-size: 0.97rem; }
.service::after { content: ""; position: absolute; left: 0; right: 0; top: -2px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 0.45s var(--ease); }
.service:hover::after { transform: scaleX(1); }

/* Processo */
.process-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.process-grid .section-head { position: sticky; top: calc(var(--header-h) + 2rem); margin-bottom: 0; }
.process-grid .btn { margin-top: 2rem; }
.steps { margin: 0; padding: 0; list-style: none; display: grid; gap: 1rem; counter-reset: s; }
.step { position: relative; padding: 1.8rem 1.8rem 1.8rem 2rem; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); transition: border-color 0.3s, transform 0.35s var(--ease); }
.step:hover { border-color: #444; transform: translateX(6px); }
.step::before { content: ""; position: absolute; left: -1px; top: 1.8rem; bottom: 1.8rem; width: 3px; background: var(--accent); border-radius: 3px; }
.step-n { color: var(--accent); }
.step h3 { font-size: 1.5rem; margin: 0.8rem 0 0.6rem; }
.step p { color: var(--muted); }
.step:nth-child(2) { margin-left: clamp(0rem, 3vw, 2.5rem); }
.step:nth-child(3) { margin-left: clamp(0rem, 6vw, 5rem); }

/* Obras (fotos reais) */
.works { margin-top: clamp(4rem, 8vw, 7rem); }
.works-title { font-size: clamp(1.4rem, 1.1rem + 1.2vw, 2rem); margin-bottom: 1.6rem; max-width: 22ch; text-wrap: balance; }
.works-grid {
  margin: 0; padding: 0; list-style: none;
  display: grid; gap: 0.75rem;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: clamp(150px, 15vw, 210px);
}
.work figure { position: relative; margin: 0; height: 100%; border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.work img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease), filter 0.4s; filter: saturate(0.92); }
.work figure:hover img { transform: scale(1.035); filter: none; }
.work figcaption {
  position: absolute; inset: auto 0 0; padding: 2.4rem 1rem 0.85rem;
  font-size: 0.85rem; font-weight: 600; line-height: 1.3; color: var(--text);
  background: linear-gradient(transparent, rgb(0 0 0 / 0.78));
}
.work-a { grid-column: span 7; grid-row: span 2; }
.work-b { grid-column: span 5; grid-row: span 2; }
.work-b img { object-position: 50% 70%; }
.work-c { grid-column: span 5; grid-row: span 2; }
.work-d { grid-column: span 7; grid-row: span 2; }
.work-d img { object-position: 50% 40%; }
.work-e { grid-column: span 6; }
.work-f { grid-column: span 6; }

/* Loja */
.store { margin: 2rem 0 0; }
.store img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); }
.store figcaption { margin-top: 0.7rem; font-size: 0.88rem; color: var(--muted); }

/* Para quem */
.audience { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 1rem; }
.aud { padding: 2rem; border-radius: var(--radius); background: var(--paper-2); }
.aud h3 { font-size: 1.6rem; margin-bottom: 0.8rem; }
.aud p { color: var(--muted-dark); }
.aud-main { background: var(--ink); color: var(--text); }
.aud-main h3 { font-size: clamp(2rem, 1.4rem + 2vw, 2.8rem); margin-top: 3.5rem; }
.aud-main p { color: var(--muted); max-width: 26rem; }
.badge { display: inline-block; padding: 0.4rem 0.7rem; border-radius: 999px; background: var(--accent); color: var(--accent-ink); }

.review { margin: clamp(3rem, 6vw, 5rem) 0 0; padding-top: 2rem; border-top: 1px solid #cfccc3; display: grid; grid-template-columns: 14rem 1fr; gap: 1rem 3rem; }
.review-src { color: var(--muted-dark); padding-top: 0.6rem; }
.review blockquote { margin: 0; }
.review blockquote p { font-size: clamp(1.4rem, 1rem + 1.6vw, 2.2rem); font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; }
.review figcaption { grid-column: 2; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; align-items: center; }
.review figcaption a { font-weight: 600; text-underline-offset: 4px; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }

/* Contato */
.contact { background: radial-gradient(70% 60% at 0% 100%, rgb(255 194 26 / 0.07), transparent 70%), var(--ink); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.contact-info h2 { font-size: var(--fs-h2); margin: 0.9rem 0 1.1rem; }
.info-list { margin: 2.5rem 0 0; display: grid; gap: 0; }
.info-list div { display: grid; grid-template-columns: 10rem 1fr; gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--line); }
.info-list dt { font: 500 0.72rem/1.6 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.info-list dd { margin: 0; font-weight: 500; overflow-wrap: anywhere; }
.info-list a { text-decoration: none; }
.info-list a:hover { color: var(--accent); }

.form { padding: clamp(1.4rem, 3vw, 2.2rem); background: var(--panel); border: 1px solid var(--line); border-radius: 20px; display: grid; gap: 1.2rem; }
.form-note { color: var(--muted); }
.form label > span, .form legend { display: block; margin-bottom: 0.45rem; font-size: 0.9rem; font-weight: 600; }
.form fieldset { margin: 0; padding: 0; border: 0; }
.form input[type="text"], .form textarea {
  width: 100%; padding: 0.85rem 1rem; border-radius: 10px; border: 1px solid var(--line);
  background: var(--ink); color: var(--text); font: inherit; transition: border-color 0.2s;
}
.form input[type="text"]:focus, .form textarea:focus { outline: none; border-color: var(--accent); }
.form textarea { resize: vertical; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span { display: inline-block; padding: 0.55rem 0.95rem; border: 1px solid var(--line); border-radius: 999px; font-size: 0.88rem; font-weight: 500; color: var(--muted); transition: all 0.2s; margin: 0 !important; }
.chip input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.chip input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }
.chip:hover span { border-color: #555; color: var(--text); }
.form-error { color: #ff8a80; font-size: 0.9rem; }

/* Footer */
.footer { padding: 2rem 0 6rem; border-top: 1px solid var(--line); font-size: 0.88rem; color: var(--muted); }
.footer strong { color: var(--text); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0.6rem 2rem; }
.footer-logo {
  display: block; width: 200px; max-width: 100%; aspect-ratio: 900 / 283; margin-bottom: 1.4rem;
  background: var(--text);
  -webkit-mask: url("assets/logo-es-lockup.png") left center / contain no-repeat;
  mask: url("assets/logo-es-lockup.png") left center / contain no-repeat;
}

.wa-float { position: fixed; right: 1rem; bottom: 1rem; z-index: 40; width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); box-shadow: 0 12px 30px -8px rgb(0 0 0 / 0.6); transition: transform 0.3s var(--ease); }
.wa-float:hover { transform: scale(1.07); }
.wa-float svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Reveal */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 1000px) {
  .hero-grid, .process-grid, .contact-grid { grid-template-columns: 1fr; }
  .monitor { transform: none; max-width: 620px; }
  .process-grid .section-head { position: static; }
  .services { grid-template-columns: 1fr 1fr; }
  .service:nth-child(2) { border-right: 0; }
  .service:nth-child(-n+2) { border-bottom: 1px solid #cfccc3; }
  .audience { grid-template-columns: 1fr 1fr; }
  .aud-main { grid-column: 1 / -1; }
  .step:nth-child(n) { margin-left: 0; }
}
@media (max-width: 820px) {
  .menu-toggle { display: block; }
  .header-actions .btn span { display: none; }
  .header-actions .btn { padding: 0; width: 44px; }
  .nav {
    position: fixed; inset: calc(var(--header-h) + var(--demo-h)) 0 auto; flex-direction: column; gap: 0;
    padding: 0.5rem var(--gutter) 1.5rem; background: rgb(11 11 11 / 0.97); border-bottom: 1px solid var(--line);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity 0.25s, transform 0.3s var(--ease), visibility 0.25s;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav a { padding: 1rem 0; border-bottom: 1px solid var(--line); font-size: 1.1rem; color: var(--text); }
  .nav-phone { display: block; color: var(--accent) !important; border-bottom: 0 !important; }
  .header.menu-open { background: rgb(11 11 11 / 0.97); }
}
@media (max-width: 620px) {
  .hero-facts { grid-template-columns: 1fr; gap: 0.8rem; }
  .hero-cta .btn { flex: 1 1 100%; }
  .services, .audience { grid-template-columns: 1fr; }
  .service { border-right: 0; border-bottom: 1px solid #cfccc3; }
  .service:last-child { border-bottom: 0; }
  .review { grid-template-columns: 1fr; }
  .review figcaption { grid-column: auto; }
  .info-list div { grid-template-columns: 1fr; gap: 0.2rem; }
  .brand-mark { width: 64px; }
  .works-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 150px; grid-auto-flow: dense; }
  .work-a, .work-c, .work-d { grid-column: 1 / -1; grid-row: span 2; }
  .work-b { grid-column: span 1; grid-row: span 2; }
  .work-e, .work-f { grid-column: span 1; }
  .work-f { grid-row: span 1; }
  .work figcaption { font-size: 0.78rem; padding: 2rem 0.75rem 0.65rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* Evita que filhos de grid estourem a largura no mobile */
.hero-grid > *, .process-grid > *, .contact-grid > *, .services > *, .audience > *, .review > * { min-width: 0; }

/* Faixa de demonstração (remover quando o site for aprovado) */
.demo-banner {
  position: fixed; inset: 0 0 auto; z-index: 60; height: var(--demo-h);
  display: flex; align-items: center; justify-content: center; gap: 0.75rem;
  padding: 0 var(--gutter); background: var(--accent); color: var(--accent-ink);
  font-size: 0.82rem; font-weight: 500; line-height: 1.2; text-align: center;
}
.demo-banner .mono { padding: 0.2rem 0.5rem; border-radius: 4px; background: var(--accent-ink); color: var(--accent); font-size: 0.66rem; flex: none; }
@media (max-width: 620px) {
  :root { --demo-h: 40px; }
  .demo-banner { font-size: 0.72rem; gap: 0.5rem; text-align: left; }
  .demo-extra { display: none; }
}