/* MeuMikroTik Cloud · site público
   Design system claro e institucional. Sem dependências externas (CSP: 'self'); fonte Inter local. */

@font-face {
  font-family: "Inter";
  src: url("fonts/inter-latin-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Cor */
  --navy-900: #0A1730;
  --navy-800: #12244A;
  --navy-700: #1B3263;
  --blue-700: #174EB3;
  --blue-600: #1D5FD6;
  --blue-50: #EEF4FF;
  --cyan-500: #0EA5C6;
  --cyan-50: #E7F7FB;
  --ink-900: #0F1B2D;
  --ink-700: #2B3A4F;
  --ink-500: #5B6B80;
  --ink-400: #8392A6;
  --canvas: #F6F8FB;
  --surface: #FFFFFF;
  --border: #E3E8EF;
  --border-strong: #CBD4E1;
  --success: #12805C; --success-bg: #E8F6F0;
  --warning: #A15C00; --warning-bg: #FFF4E0;
  --danger: #C2334A; --danger-bg: #FDECEF;

  /* Tipografia */
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --fs-sm: 14px; --fs-base: 16px; --fs-md: 18px; --fs-lg: 22px; --fs-xl: 28px; --fs-2xl: 36px; --fs-3xl: 48px; --fs-4xl: 60px;

  /* Espaço, forma, movimento */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px;
  --r-sm: 8px; --r: 12px; --r-lg: 16px; --r-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(15, 27, 45, .06);
  --shadow: 0 1px 2px rgba(15, 27, 45, .05), 0 8px 24px -12px rgba(15, 27, 45, .14);
  --shadow-lg: 0 2px 4px rgba(15, 27, 45, .04), 0 32px 64px -24px rgba(15, 27, 45, .28);
  --focus: 0 0 0 3px rgba(29, 95, 214, .35);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --container: 1200px;
  color-scheme: light;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; overflow-x: hidden; background: var(--surface); color: var(--ink-700); font: 400 var(--fs-base)/1.65 var(--font); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--blue-700); text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3, .h3 { margin: 0; color: var(--navy-900); font-weight: 680; letter-spacing: -.022em; line-height: 1.15; text-wrap: balance; }
h1 { font-size: clamp(36px, 5.4vw, var(--fs-4xl)); letter-spacing: -.035em; line-height: 1.05; }
h2 { font-size: clamp(28px, 3.4vw, var(--fs-2xl)); letter-spacing: -.028em; }
h3, .h3 { font-size: var(--fs-md); letter-spacing: -.012em; line-height: 1.3; }
p { margin: 0; }
strong { color: var(--ink-900); font-weight: 620; }
code, .mono { font-family: var(--mono); }
code { font-size: .9em; }
svg.icon { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
svg.icon.sm { width: 16px; height: 16px; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 14px; border-radius: var(--r-sm); background: var(--navy-900); color: #fff; font-weight: 600; }
.skip-link:focus { top: 16px; color: #fff; }
:focus-visible { outline: none; box-shadow: var(--focus); border-radius: 6px; }
::selection { background: #CFE0FF; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--s-5); }
.container.narrow { max-width: 820px; }

/* ---------- Botões ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2); min-height: 44px; padding: 0 18px; border: 1px solid transparent; border-radius: var(--r-sm); font: 600 15px/1 var(--font); white-space: nowrap; cursor: pointer; text-decoration: none; transition: background-color .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease), box-shadow .15s var(--ease), transform .1s var(--ease); }
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--blue-600); color: #fff; box-shadow: 0 1px 2px rgba(23, 78, 179, .3), inset 0 1px 0 rgba(255, 255, 255, .12); }
.btn-primary:hover { background: var(--blue-700); color: #fff; }
.btn-secondary { border-color: var(--border-strong); background: var(--surface); color: var(--ink-900); box-shadow: var(--shadow-sm); }
.btn-secondary:hover { border-color: var(--ink-400); color: var(--ink-900); }
.btn-ghost { background: transparent; color: var(--ink-700); }
.btn-ghost:hover { background: var(--canvas); color: var(--ink-900); }
.btn-light { background: #fff; color: var(--navy-900); }
.btn-light:hover { background: var(--blue-50); color: var(--navy-900); }
.btn-outline-light { border-color: rgba(255, 255, 255, .35); background: transparent; color: #fff; }
.btn-outline-light:hover { border-color: #fff; color: #fff; }
.btn-lg { min-height: 50px; padding: 0 24px; font-size: 16px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .65; cursor: progress; }
.btn svg { transition: transform .15s var(--ease); }
.btn:hover svg { transform: translateX(2px); }
.actions { display: flex; flex-wrap: wrap; gap: var(--s-3); }
.actions.center { justify-content: center; }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.center-link { margin-top: var(--s-6); text-align: center; }
.center-link a { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }

/* ---------- Cabeçalho ---------- */
.header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid transparent; background: rgba(255, 255, 255, .86); backdrop-filter: saturate(160%) blur(12px); transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.header.scrolled { border-color: var(--border); box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; gap: var(--s-5); height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--navy-900); }
.brand:hover { color: var(--navy-900); text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--navy-900); }
.brand-mark svg { width: 19px; height: 19px; stroke: #fff; stroke-width: 2.2; }
.brand-name { font-size: 17px; font-weight: 700; letter-spacing: -.025em; }
.brand-name span { color: var(--blue-600); font-weight: 600; }
.brand-light { color: #fff; }
.brand-light:hover { color: #fff; }
.brand-light .brand-mark { background: var(--blue-600); }
.brand-light .brand-name span { color: #8FB4FF; }
.nav { display: flex; flex: 1; align-items: center; gap: 2px; }
.nav > a { padding: 8px 11px; border-radius: var(--r-sm); color: var(--ink-700); font-size: 15px; font-weight: 520; }
.nav > a:hover { background: var(--canvas); color: var(--ink-900); text-decoration: none; }
.nav > a[aria-current="page"] { color: var(--blue-600); }
.nav-actions { display: flex; gap: var(--s-2); margin-left: auto; }
.nav-toggle { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--border); border-radius: var(--r-sm); background: var(--surface); color: var(--ink-900); cursor: pointer; place-items: center; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: var(--s-8) 0 var(--s-9); background: linear-gradient(180deg, var(--canvas), var(--surface) 70%); border-bottom: 1px solid var(--border); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, #000 20%, transparent 70%); opacity: .55; pointer-events: none; }
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: var(--s-7); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 6px; margin-bottom: var(--s-4); color: var(--blue-600); font-size: 13px; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.lead { margin-top: var(--s-4); color: var(--ink-500); font-size: clamp(17px, 1.6vw, 19px); line-height: 1.6; }
.hero .lead { max-width: 54ch; }
.hero .actions { margin-top: var(--s-6); }
.facts { display: grid; gap: 10px; margin: var(--s-6) 0 0; padding: 0; list-style: none; color: var(--ink-700); font-size: 15px; }
.facts li { display: flex; align-items: center; gap: 10px; }
.facts svg { color: var(--success); stroke-width: 2.4; }
.media-note { margin-top: var(--s-3); color: var(--ink-500); font-size: 13px; text-align: center; }

/* Moldura das capturas */
.screen { margin: 0; overflow: hidden; border: 1px solid var(--border-strong); border-radius: var(--r-lg); background: #0b1626; box-shadow: var(--shadow-lg); }
.screen-bar { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 14px; border-bottom: 1px solid #1e2c42; background: #101d31; }
.screen-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2a3a52; }
.screen-bar span { margin-left: 10px; padding: 2px 10px; border-radius: 6px; background: #17263d; color: #8aa0bc; font: 12px var(--mono); }
.screen img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; }

/* ---------- Seções ---------- */
.section { padding: var(--s-9) 0; }
.section-tight { padding-top: var(--s-6); }
.section-muted { background: var(--canvas); border-block: 1px solid var(--border); }
.section-dark { background: var(--navy-900); color: #C9D5E6; }
.section-dark h2, .section-dark h3, .section-dark strong { color: #fff; }
.section-dark .eyebrow { color: #7FD8EA; }
.section-dark .lead { color: #A9B8CD; }
.section-head { max-width: 680px; margin: 0 auto var(--s-7); text-align: center; }
.section-head p:not(.eyebrow) { margin-top: var(--s-3); color: var(--ink-500); font-size: var(--fs-md); }
.grid { display: grid; gap: var(--s-5); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { padding: var(--s-6); border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--shadow-sm); }
.card p { color: var(--ink-500); }
.card h3 + p, .card .h3 + p { margin-top: var(--s-2); }
.feature { transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease); }
a.feature:hover, .feature:hover { border-color: var(--border-strong); box-shadow: var(--shadow); }
a.feature { display: block; color: inherit; text-decoration: none; }
a.feature:hover { transform: translateY(-2px); }
a.feature .text-link { margin-top: var(--s-4); }
.icon-box { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: var(--s-4); border-radius: 10px; background: var(--blue-50); color: var(--blue-600); }
.section-dark .icon-box { background: rgba(127, 216, 234, .1); color: #7FD8EA; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: var(--s-8); align-items: center; }
.split-text { grid-template-columns: minmax(0, 720px); }
.split .lead { margin-bottom: var(--s-5); }

.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-5); margin: 0; padding: 0; list-style: none; counter-reset: step; }
.step { position: relative; padding: var(--s-6) var(--s-5); border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); }
.step p { margin-top: var(--s-2); color: var(--ink-500); font-size: 15px; }
.step-n { display: inline-grid; place-items: center; width: 32px; height: 32px; margin-bottom: var(--s-4); border-radius: 50%; background: var(--navy-900); color: #fff; font-size: 14px; font-weight: 700; }
.step:not(:last-child)::after { content: ""; position: absolute; top: 47px; right: calc(var(--s-5) * -1); width: var(--s-5); height: 1px; background: var(--border-strong); }

/* Abas da demonstração */
.tab-list { display: flex; justify-content: center; gap: 4px; width: fit-content; max-width: 100%; margin: 0 auto var(--s-5); padding: 4px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--canvas); overflow-x: auto; }
.tab-list button { min-height: 40px; padding: 0 18px; border: 0; border-radius: var(--r-pill); background: transparent; color: var(--ink-500); font: 600 14.5px var(--font); white-space: nowrap; cursor: pointer; transition: background-color .15s var(--ease), color .15s var(--ease); }
.tab-list button[aria-selected="true"] { background: var(--surface); color: var(--navy-900); box-shadow: var(--shadow-sm); }
.tab-panel { animation: fade .25s var(--ease); }
.tab-text { max-width: 720px; margin: 0 auto var(--s-5); color: var(--ink-500); text-align: center; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } }

.sec-list { display: grid; gap: var(--s-5); margin: 0; padding: 0; list-style: none; }
.sec-list li { display: flex; gap: var(--s-4); }
.sec-list .icon-box { margin: 0; }
.sec-list p { margin-top: 4px; color: #A9B8CD; font-size: 15px; }

/* Planos */
.plans { display: grid; gap: var(--s-5); align-items: stretch; }
.plans-1 { grid-template-columns: minmax(0, 420px); justify-content: center; }
.plans-2 { grid-template-columns: repeat(2, minmax(0, 400px)); justify-content: center; }
.plans-3, .plans-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.plans-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.plan { position: relative; display: flex; flex-direction: column; gap: var(--s-4); padding: var(--s-6); border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--shadow-sm); }
.plan-featured { border-color: var(--blue-600); box-shadow: 0 0 0 1px var(--blue-600), var(--shadow); }
.plan-flag { position: absolute; top: -12px; left: var(--s-6); padding: 3px 10px; border-radius: var(--r-pill); background: var(--blue-600); color: #fff; font-size: 12px; font-weight: 650; letter-spacing: .02em; }
.plan h3 { font-size: var(--fs-lg); }
.plan-summary { color: var(--ink-500); font-size: 15px; }
.plan-price p { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px; }
.plan-price strong { color: var(--navy-900); font-size: 36px; font-weight: 720; letter-spacing: -.03em; }
.plan-price strong.plan-quote { font-size: 26px; }
.plan-price span { color: var(--ink-500); }
.plan-price small { flex-basis: 100%; color: var(--ink-500); font-size: 13px; }
.plan-limits, .plan-features, .checklist { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; font-size: 15px; }
.plan-limits { padding: var(--s-4) 0; border-block: 1px solid var(--border); }
.plan-limits li, .plan-features li, .checklist li { display: flex; gap: 10px; align-items: flex-start; }
.plan-limits svg { margin-top: 3px; color: var(--ink-400); }
.plan-features svg, .checklist svg { margin-top: 4px; color: var(--success); stroke-width: 2.4; }
.muted-list svg { color: var(--ink-400); stroke-width: 1.8; }
.plan .btn { margin-top: auto; }
.cycle { display: flex; width: fit-content; margin: 0 auto var(--s-6); padding: 4px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--canvas); }
.cycle button { min-height: 38px; padding: 0 20px; border: 0; border-radius: var(--r-pill); background: transparent; color: var(--ink-500); font: 600 14.5px var(--font); cursor: pointer; }
.cycle button[aria-checked="true"] { background: var(--surface); color: var(--navy-900); box-shadow: var(--shadow-sm); }
.compare-wrap { margin-top: var(--s-8); }
.compare-title { margin-bottom: var(--s-4); font-size: var(--fs-lg); }
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r-lg); }
.compare { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 15px; }
.compare th, .compare td { padding: 14px 18px; border-bottom: 1px solid var(--border); text-align: left; }
.compare thead th { background: var(--canvas); color: var(--ink-900); font-weight: 650; }
.compare tbody th { color: var(--ink-700); font-weight: 500; }
.compare tbody tr:last-child > * { border-bottom: 0; }
.compare svg.ok { color: var(--success); stroke-width: 2.4; }
.empty-state { max-width: 560px; margin: 0 auto; padding: var(--s-7) var(--s-6); border: 1px dashed var(--border-strong); border-radius: var(--r-lg); background: var(--canvas); text-align: center; }
.empty-state p { margin: var(--s-2) 0 var(--s-5); color: var(--ink-500); }

/* FAQ */
.faq { display: grid; gap: var(--s-3); }
.faq-item { border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); transition: border-color .15s var(--ease); }
.faq-item[open] { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); padding: 18px var(--s-5); list-style: none; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 { font-size: 17px; font-weight: 600; }
.faq-item summary svg { color: var(--ink-400); transition: transform .2s var(--ease); }
.faq-item[open] summary svg { transform: rotate(180deg); }
.faq-item p { padding: 0 var(--s-5) 20px; color: var(--ink-500); }

/* Em desenvolvimento */
.roadmap { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-4); margin: 0; padding: 0; list-style: none; }
.roadmap li { padding: var(--s-5); border: 1px dashed var(--border-strong); border-radius: var(--r-lg); background: var(--surface); }
.roadmap h3 { margin-top: var(--s-3); font-size: 16px; }
.roadmap p { margin-top: 6px; color: var(--ink-500); font-size: 14.5px; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: var(--r-pill); font-size: 12px; font-weight: 650; }
.badge-soon { background: var(--warning-bg); color: var(--warning); }

/* CTA final */
.cta-final { display: grid; grid-template-columns: minmax(0, 1.5fr) auto; gap: var(--s-6); align-items: center; padding: var(--s-7); border-radius: 20px; background: radial-gradient(700px 300px at 100% 0, rgba(14, 165, 198, .22), transparent 70%), var(--navy-900); color: #A9B8CD; }
.cta-final h2 { color: #fff; font-size: clamp(24px, 2.8vw, 32px); }
.cta-final p { margin-top: var(--s-3); }

/* ---------- Páginas internas ---------- */
.page-head { padding: var(--s-8) 0 var(--s-6); background: linear-gradient(180deg, var(--canvas), var(--surface)); text-align: center; }
.page-head .lead { max-width: 640px; margin-inline: auto; }
.page-head-left { text-align: left; }
.page-head-left .lead { margin-inline: 0; }
.page-head h1 { font-size: clamp(32px, 4.4vw, var(--fs-3xl)); }
.back { display: inline-block; margin-bottom: var(--s-4); color: var(--ink-500); font-size: 14px; }
.done { padding: var(--s-9) 0; }
.done .actions { margin-top: var(--s-6); }
.done-icon { display: inline-grid; place-items: center; width: 56px; height: 56px; margin-bottom: var(--s-5); border-radius: 50%; background: var(--success-bg); color: var(--success); }
.done-icon svg { width: 28px; height: 28px; stroke-width: 2.4; }
.code-404 { color: var(--blue-600); font-size: 80px; font-weight: 800; letter-spacing: -.05em; line-height: 1; }
.chips-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s-2); }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--surface); color: var(--ink-700); font-size: 14px; font-weight: 520; }
.chip:hover { border-color: var(--border-strong); color: var(--ink-900); text-decoration: none; }
.feature-row { padding: var(--s-8) 0; }
.feature-row-alt { background: var(--canvas); border-block: 1px solid var(--border); }
.feature-row .eyebrow svg { color: var(--cyan-500); }
.feature-row .checklist { margin-bottom: var(--s-5); }
.note { display: flex; gap: var(--s-3); margin-top: var(--s-6); padding: var(--s-4) var(--s-5); border: 1px solid #D5E3FB; border-radius: var(--r); background: var(--blue-50); color: var(--ink-700); font-size: 15px; }
.note svg { margin-top: 2px; color: var(--blue-600); }
.note-warn { margin: 0 0 var(--s-6); border-color: #F5DDB0; background: var(--warning-bg); }
.note-warn svg { color: var(--warning); }
.sec-extra { margin-top: var(--s-5); }
.prose { color: var(--ink-700); }
/* Links dentro de texto corrido: sublinhados (não dependem só da cor). */
.prose a, .note a, .form-note a, .card p a, .check a { text-decoration: underline; text-underline-offset: 3px; }
.prose h2 { margin: var(--s-6) 0 var(--s-3); font-size: var(--fs-lg); }
.prose p, .prose ul { margin: 0 0 var(--s-4); }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 6px; }
.legal-meta { color: var(--ink-500); font-size: 14px; }

/* ---------- Formulários ---------- */
.form-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, .9fr); gap: var(--s-5); align-items: start; }
.form-aside { position: sticky; top: 92px; display: grid; gap: var(--s-4); }
.form-aside .card p { margin-top: var(--s-2); }
.form { display: grid; gap: var(--s-5); }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px var(--s-4); min-width: 0; margin: 0; padding: 0; border: 0; }
[data-stepper]:not(.stepper-on) fieldset.fields + fieldset.fields { padding-top: var(--s-5); border-top: 1px solid var(--border); }
legend { grid-column: 1 / -1; float: left; width: 100%; margin-bottom: 2px; color: var(--navy-900); font-size: var(--fs-md); font-weight: 650; }
.field { display: grid; gap: 6px; align-content: start; min-width: 0; }
.field-wide { grid-column: 1 / -1; }
.field > label { color: var(--ink-900); font-size: 14px; font-weight: 560; }
.optional { margin-left: 4px; color: var(--ink-500); font-size: 12.5px; font-weight: 450; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="datetime-local"], select, textarea {
  width: 100%; min-height: 46px; padding: 10px 14px; border: 1px solid var(--border-strong); border-radius: var(--r-sm); background: var(--surface); color: var(--ink-900); font: 16px/1.4 var(--font); transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
select { appearance: none; padding-right: 40px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%235B6B80' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }
input.mono { font-family: var(--mono); }
textarea { resize: vertical; min-height: 132px; }
input::placeholder, textarea::placeholder { color: var(--ink-400); }
input:hover, select:hover, textarea:hover { border-color: var(--ink-400); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue-600); box-shadow: var(--focus); }
.has-error input, .has-error select, .has-error textarea { border-color: var(--danger); }
.hint { color: var(--ink-500); font-size: 13px; }
.error { color: var(--danger); font-size: 13.5px; font-weight: 520; }
.check label { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-700); font-size: 15px; font-weight: 450; cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--blue-600); }
.form-note { color: var(--ink-500); font-size: 14px; }
.form-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: var(--s-3); padding-top: var(--s-2); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.alert { display: flex; gap: var(--s-3); align-items: flex-start; padding: 14px var(--s-4); border: 1px solid; border-radius: var(--r); font-size: 15px; }
.alert svg { margin-top: 2px; }
.alert-success { border-color: #B8E2D1; background: var(--success-bg); color: #0B5A41; }
.alert-error { border-color: #F3C2CB; background: var(--danger-bg); color: #8E1F33; }
.stepper { display: none; gap: var(--s-2); margin: 0; padding: 0; list-style: none; counter-reset: s; }
.stepper-on .stepper { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stepper li { display: flex; align-items: center; gap: 10px; padding-bottom: 12px; border-bottom: 2px solid var(--border); color: var(--ink-500); font-size: 14px; font-weight: 600; }
.stepper li span { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--canvas); border: 1px solid var(--border-strong); font-size: 13px; }
.stepper li[aria-current="step"] { border-color: var(--blue-600); color: var(--navy-900); }
.stepper li[aria-current="step"] span { border-color: var(--blue-600); background: var(--blue-600); color: #fff; }
.stepper li.done { border-color: var(--success); color: var(--ink-700); }
.stepper li.done span { border-color: var(--success); background: var(--success-bg); color: var(--success); }
.mini-steps { display: grid; gap: var(--s-4); margin: var(--s-4) 0 0; padding: 0; list-style: none; counter-reset: mini; }
.mini-steps li { position: relative; padding-left: 38px; counter-increment: mini; color: var(--ink-500); font-size: 15px; }
.mini-steps li::before { content: counter(mini); position: absolute; left: 0; top: 1px; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--blue-50); color: var(--blue-600); font-size: 13px; font-weight: 700; }
.mini-steps strong { display: block; }

/* ---------- Ferramentas ---------- */
.tool { display: grid; gap: var(--s-5); }
.tool-form { display: grid; gap: var(--s-4); }
.results { display: grid; gap: 1px; margin: 0; overflow: hidden; border: 1px solid var(--border); border-radius: var(--r); background: var(--border); }
.results > div { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); padding: 14px 18px; background: var(--surface); }
.results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.results dt { color: var(--ink-500); font-size: 14.5px; }
.results dd { min-width: 0; margin: 0; overflow-wrap: anywhere; color: var(--ink-900); font-size: 15px; font-weight: 600; text-align: right; }
.results dd.big { font-size: 18px; }
.ipv6-hero { display: flex; justify-content: center; }
.tag { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: var(--r-pill); background: var(--canvas); color: var(--ink-700); font-size: 13px; font-weight: 600; }
.tag-ok { background: var(--success-bg); color: var(--success); }
.tag-warn { background: var(--warning-bg); color: var(--warning); }
.tag-bad { background: var(--danger-bg); color: var(--danger); }
.tag-lg { padding: 8px 18px; font-size: 15px; }
.tool-error { color: var(--danger); font-weight: 560; }
.toggles { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.toggles label { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid var(--border-strong); border-radius: var(--r-pill); color: var(--ink-700); font-size: 14px; cursor: pointer; user-select: none; }
.toggles label:has(input:checked) { border-color: var(--blue-600); background: var(--blue-50); color: var(--navy-900); }
.toggles input { accent-color: var(--blue-600); }
input[type="range"] { width: 100%; accent-color: var(--blue-600); }
.password { display: block; padding: 18px 20px; border: 1px dashed var(--border-strong); border-radius: var(--r); background: var(--canvas); color: var(--ink-900); font-size: clamp(16px, 2.2vw, 20px); font-weight: 600; overflow-wrap: anywhere; }
.sep { height: 1px; margin: 4px 0; border: 0; background: var(--border); }
.tool-others { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-5); }
.field label { color: var(--ink-900); font-size: 14px; font-weight: 560; }

/* ---------- Rodapé ---------- */
.footer { padding: var(--s-8) 0 var(--s-6); background: var(--navy-900); color: #A9B8CD; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); gap: var(--s-6); }
.footer-brand p { max-width: 40ch; margin-top: var(--s-4); font-size: 15px; }
.footer-company { color: #8395AE; font-size: 13.5px !important; }
.footer nav { display: grid; gap: 10px; align-content: start; }
.footer nav h2 { margin-bottom: 4px; color: #fff; font-size: 13px; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.footer nav a, .footer-legal a { color: #A9B8CD; font-size: 15px; }
.footer nav a:hover, .footer-legal a:hover { color: #fff; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-3); margin-top: var(--s-7); padding-top: var(--s-5); border-top: 1px solid rgba(255, 255, 255, .1); font-size: 14px; }
.footer-legal { display: flex; flex-wrap: wrap; gap: var(--s-5); }

/* ---------- Entrada suave ao rolar (só com JS e sem movimento reduzido) ---------- */
.reveal-on [data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.reveal-on [data-reveal].visible { opacity: 1; transform: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 1100px) {
  .nav-toggle { display: grid; }
  .nav { position: fixed; inset: 68px 0 auto; flex-direction: column; align-items: stretch; gap: 2px; max-height: calc(100vh - 68px); overflow-y: auto; padding: var(--s-3) var(--s-5) var(--s-5); border-bottom: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow); transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s; }
  .nav.open { transform: none; opacity: 1; visibility: visible; }
  .nav > a { padding: 12px; font-size: 16px; }
  .nav-actions { flex-direction: column; margin: var(--s-3) 0 0; }
  .nav-actions .btn { min-height: 48px; }
  .hero-inner, .split { grid-template-columns: minmax(0, 1fr); gap: var(--s-7); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step:not(:last-child)::after { display: none; }
  .plans-3, .plans-4, .roadmap { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .form-layout { grid-template-columns: minmax(0, 1fr); }
  .form-aside { position: static; }
  .cta-final { grid-template-columns: minmax(0, 1fr); padding: var(--s-6); }
  .plans-2 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .container { padding: 0 var(--s-4); }
  .hero { padding: var(--s-6) 0 var(--s-8); }
  .section { padding: var(--s-8) 0; }
  .section-tight { padding-top: var(--s-4); }
  .feature-row { padding: var(--s-7) 0; }
  .steps, .plans-3, .plans-4, .roadmap, .fields, .results-grid { grid-template-columns: minmax(0, 1fr); }
  .card, .plan { padding: var(--s-5); }
  .actions .btn, .form-actions .btn { flex: 1 1 100%; }
  .tab-list { justify-content: flex-start; width: 100%; border-radius: var(--r); }
  .results > div { flex-direction: column; align-items: flex-start; gap: 4px; }
  .results dd { text-align: left; }
  .stepper li { font-size: 0; gap: 0; justify-content: center; }
  .stepper li span { font-size: 13px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}