/* Vanguard IT — produtos digitais
   Direção visual: Precisão Técnica (tema escuro, acento ciano, IBM Plex) */

:root {
  --bg: #091217;
  --bg-2: #0d1a21;
  --surface: #111f27;
  --surface-2: #17292f;
  --line: #1f3540;
  --grid: rgba(34, 199, 214, 0.07);
  --text: #e8f3f5;
  --muted: #8fa9b1;
  --accent: #22c7d6;
  --accent-hi: #4ddbe8;
  --accent-ink: #04252a;
  --ok: #4fd08a;
  --warn: #f3b84b;
  --bad: #ff7a7a;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: var(--sans);
  --header-bg: rgba(9, 18, 23, 0.88);
  --panel-shadow: 0 30px 80px -40px rgba(34, 199, 214, .3);
  --ring: rgba(34, 199, 214, .2);
  --rad-btn: 8px;
  --rad-in: 8px;
  --rad-panel: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
[hidden] { display: none !important; }

.wrap { width: min(1180px, 100% - 2.5rem); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--accent-ink); padding: .6rem 1rem; z-index: 100; }
.skip:focus { left: 1rem; top: 1rem; }

/* ---------- Cabeçalho ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 64px; }
.mark { font: 600 1.05rem var(--mono); text-decoration: none; letter-spacing: -0.02em; white-space: nowrap; }
.mark i { font-style: normal; color: var(--accent); font-weight: 400; }
.nav { display: flex; align-items: center; gap: .25rem; }
.nav a {
  padding: .5rem .8rem; border-radius: 8px; color: var(--muted);
  text-decoration: none; font-size: .95rem; transition: color .15s, background .15s;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: var(--surface); }
.nav a.nav-site { border: 1px solid var(--line); color: var(--text); margin-left: .5rem; }
.nav a.nav-site:hover { border-color: var(--accent); }
.burger {
  display: none; align-items: center; justify-content: center;
  width: 44px; height: 44px; background: transparent; border: 1px solid var(--line);
  border-radius: 8px; cursor: pointer;
}
.burger span, .burger span::before, .burger span::after {
  display: block; width: 18px; height: 2px; background: var(--text); position: relative; content: "";
}
.burger span::before { position: absolute; top: -6px; }
.burger span::after { position: absolute; top: 6px; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .8rem 1.25rem; border-radius: var(--rad-btn); border: 1px solid var(--line);
  background: transparent; color: var(--text); font: 500 .95rem var(--sans);
  cursor: pointer; text-decoration: none; min-height: 44px;
  transition: background .15s, border-color .15s, transform .15s;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn-primary:hover { background: var(--accent-hi); border-color: var(--accent-hi); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-sm { padding: .4rem .75rem; min-height: 34px; font-size: .85rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(3rem, 6vw, 5rem); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(#000 25%, transparent 95%);
  mask-image: linear-gradient(#000 25%, transparent 95%);
}
.hero-grid {
  position: relative; display: grid; align-items: center;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 4vw, 4rem);
}
.wordmark {
  font: 600 clamp(2rem, 4.4vw, 3.75rem)/1 var(--wm-font, var(--mono));
  letter-spacing: var(--wm-ls, -0.05em); margin: 0 0 1.25rem; white-space: nowrap;
}
.wordmark i { font-style: normal; color: var(--accent); font-weight: 300; }
.tagline { font: 600 clamp(1.35rem, 2.5vw, 1.9rem)/1.25 var(--display); letter-spacing: -0.02em; margin: 0 0 1rem; text-wrap: balance; }
.lead { color: var(--muted); max-width: 46ch; margin: 0; }

.hero-copy > * { animation: rise .7s cubic-bezier(.2, .7, .2, 1) both; }
.hero-copy > :nth-child(2) { animation-delay: .08s; }
.hero-copy > :nth-child(3) { animation-delay: .16s; }
.hero-copy > :nth-child(4) { animation-delay: .24s; }
.hero-demo { animation: rise .8s .2s cubic-bezier(.2, .7, .2, 1) both; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- Painel de demonstração ---------- */
.panel {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--rad-panel); overflow: hidden;
  box-shadow: var(--panel-shadow);
}
.panel-head {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: .7rem 1rem; border-bottom: 1px solid var(--line);
  font: 500 .8rem var(--mono); color: var(--muted);
}
.panel-head b { color: var(--accent); font-weight: 500; }
.panel-body { padding: 1.1rem; }
.note { font-size: .8rem; color: var(--muted); margin: .9rem 0 0; }

label { display: block; font-size: .8rem; color: var(--muted); margin-bottom: .3rem; }
input, select {
  width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: var(--rad-in);
  padding: .6rem .7rem; font-size: .92rem; min-height: 40px;
}
input:focus, select:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--ring); }
input[type="number"] { font-family: var(--mono); }

.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.tbl { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tbl th { text-align: left; font-weight: 500; color: var(--muted); font-size: .78rem; padding: .45rem .5rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl td { padding: .4rem .5rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl .num, .tbl th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl td.num { font-family: var(--mono); white-space: nowrap; }

.pill {
  display: inline-block; font: 500 .75rem var(--mono); padding: .15rem .55rem;
  border-radius: 99px; border: 1px solid var(--line); white-space: nowrap; color: var(--muted);
}
.pill.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); background: color-mix(in srgb, var(--ok) 9%, transparent); }
.pill.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, transparent); background: color-mix(in srgb, var(--warn) 9%, transparent); }
.pill.bad { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 40%, transparent); background: color-mix(in srgb, var(--bad) 9%, transparent); }

.seg { display: inline-flex; padding: 3px; gap: 3px; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; max-width: 100%; overflow-x: auto; }
.seg button {
  background: transparent; border: 0; border-radius: 7px; padding: .5rem .9rem; min-height: 38px;
  color: var(--muted); cursor: pointer; font-size: .9rem; white-space: nowrap; transition: background .15s, color .15s;
}
.seg button:hover { color: var(--text); }
.seg button[aria-selected="true"], .seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); font-weight: 600; }

.meter { height: 8px; border-radius: 99px; background: var(--bg); overflow: hidden; border: 1px solid var(--line); }
.meter i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .4s ease; }

/* ---------- Fatura ---------- */
.lines td input { padding: .35rem .5rem; min-height: 34px; font-size: .85rem; }
.lines td input.q { width: 3.6rem; text-align: right; }
.lines td input.p { width: 6.5rem; text-align: right; }
.lines td select { padding: .35rem .4rem; min-height: 34px; font-size: .85rem; width: 5.6rem; }
.lines td input.d { min-width: 11rem; }
.fx-foot { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-top: 1rem; align-items: start; }
.totals { font: .9rem var(--mono); }
.totals div { display: flex; justify-content: space-between; gap: 1rem; padding: .25rem 0; color: var(--muted); }
.totals .grand { border-top: 1px solid var(--line); margin-top: .4rem; padding-top: .6rem; font-size: 1.1rem; font-weight: 600; color: var(--text); }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; font-size: .85rem; }
.checks li { display: flex; gap: .55rem; align-items: flex-start; color: var(--muted); transition: color .2s; }
.checks li::before {
  content: ""; flex: none; width: 1rem; height: 1rem; margin-top: .15rem; border-radius: 50%;
  border: 1.5px solid var(--line); transition: background .2s, border-color .2s;
}
.checks li.ok { color: var(--text); }
.checks li.ok::before {
  border-color: var(--ok);
  background: var(--ok) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.4 2.4 4.6-5' fill='none' stroke='%23062b17' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 72% no-repeat;
}
.emit-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin-top: 1.1rem; }
.emitted { margin: .9rem 0 0; padding: .8rem 1rem; border-radius: 8px; background: color-mix(in srgb, var(--ok) 9%, transparent); border: 1px solid color-mix(in srgb, var(--ok) 38%, transparent); font-size: .88rem; }
.emitted code { font-family: var(--mono); color: var(--ok); }

/* ---------- Kudilonga ---------- */
.tabs-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: 1rem; }
.counter { font: .8rem var(--mono); color: var(--muted); }
.grades td input { width: 4.2rem; text-align: right; padding: .35rem .5rem; min-height: 34px; font-size: .85rem; }
.pay-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: .75rem; align-items: center; padding: .6rem 0; border-bottom: 1px solid var(--line); }
.pay-row:last-child { border-bottom: 0; }
.pay-sum { display: flex; justify-content: space-between; font: .85rem var(--mono); color: var(--muted); margin: 1rem 0 .5rem; gap: 1rem; flex-wrap: wrap; }
.pay-sum b { color: var(--text); font-weight: 600; }
.ficha { background: var(--bg); border: 1px dashed var(--line); border-radius: 10px; padding: 1rem; font-size: .9rem; display: grid; gap: .35rem; }
.ficha span { color: var(--muted); }
.ficha strong { font-family: var(--mono); font-weight: 500; }
.mat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; align-items: start; }
.mat-form { display: grid; gap: .8rem; }

/* ---------- Piloto ---------- */
.map { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.map svg { width: 100%; height: auto; }
.map-top { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: space-between; align-items: center; margin-bottom: .9rem; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin-top: .9rem; }
.stat { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: .7rem .85rem; }
.stat span { display: block; font-size: .75rem; color: var(--muted); }
.stat b { font: 600 1.25rem var(--mono); letter-spacing: -0.03em; }
.stat.gain b { color: var(--ok); }
.map-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .9rem; }

/* ---------- AgoExpress ---------- */
.shop-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 1.1rem; align-items: start; }
.shop-ctrl { display: grid; gap: .9rem; }
.swatches { display: flex; gap: .5rem; flex-wrap: wrap; }
.swatches input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.swatches label { margin: 0; width: 34px; height: 34px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; box-shadow: inset 0 0 0 2px var(--surface); }
.swatches input:checked + label { border-color: var(--text); }
.swatches input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 2px; }
.browser { background: #f6f7f8; color: #14212a; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); --shop: #22c7d6; }
.browser-bar { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .55rem .8rem; background: #e6e9ec; font: .75rem var(--mono); color: #55656e; }
.shop-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .9rem 1rem; background: var(--shop); color: #fff; }
.shop-head h3 { margin: 0; font: 600 1.05rem var(--sans); }
.cart-btn { background: rgba(255, 255, 255, .2); border: 0; color: inherit; border-radius: 99px; padding: .35rem .8rem; font: 500 .82rem var(--mono); white-space: nowrap; }
.products { display: grid; grid-template-columns: repeat(auto-fill, minmax(135px, 1fr)); gap: .75rem; padding: 1rem; }
.prod { background: #fff; border: 1px solid #dfe4e8; border-radius: 10px; padding: .6rem; display: grid; gap: .3rem; }
.prod .tile { aspect-ratio: 4 / 3; border-radius: 7px; display: grid; place-items: center; font: 600 1.4rem var(--mono); color: var(--shop); background: color-mix(in srgb, var(--shop) 14%, #fff); letter-spacing: -0.05em; }
.prod h4 { margin: 0; font: 500 .85rem/1.3 var(--sans); }
.prod .price { font: 600 .82rem var(--mono); }
.prod small { font: .72rem var(--mono); color: #6a7a83; }
.prod small.low { color: #b4680a; font-weight: 600; }
.prod .btn { background: var(--shop); border-color: var(--shop); color: #fff; padding: .35rem .5rem; min-height: 34px; font-size: .8rem; }
.prod .btn:disabled { background: #cfd6db; border-color: #cfd6db; color: #64737b; opacity: 1; }
.shop-foot { display: flex; justify-content: space-between; align-items: center; gap: .75rem; padding: .8rem 1rem; border-top: 1px solid #dfe4e8; background: #fff; font: .82rem var(--mono); flex-wrap: wrap; }
.stock-list { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: .5rem; font-size: .82rem; }
.stock-list li { display: grid; grid-template-columns: minmax(0, 1fr) 5rem 2.5rem; gap: .6rem; align-items: center; color: var(--muted); }
.stock-list li span:last-child { text-align: right; font-family: var(--mono); color: var(--text); }
.stock-list .meter { height: 6px; }
.stock-list .meter i.low { background: var(--warn); }

/* ---------- Secções ---------- */
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; border-top: 1px solid var(--line); }
.section h2 { font: 600 clamp(1.6rem, 3.2vw, 2.4rem)/1.15 var(--display); letter-spacing: -0.025em; margin: 0 0 1rem; max-width: 24ch; text-wrap: balance; }
.section-intro { color: var(--muted); max-width: 54ch; margin: 0; }

.feat { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 3rem; margin-top: 2.5rem; }
.feat > div { padding: 1.4rem 0 1.6rem; border-top: 1px solid var(--line); }
.feat h3 { margin: 0 0 .4rem; font: 600 1.1rem var(--display); letter-spacing: -0.01em; }
.feat p { margin: 0; color: var(--muted); max-width: 46ch; }

.steps { list-style: none; margin: 2.5rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.steps li { position: relative; padding-top: 1.4rem; border-top: 2px solid var(--line); }
.steps li::before { content: ""; position: absolute; top: -2px; left: 0; width: 40%; height: 2px; background: var(--accent); }
.steps h3 { margin: 0 0 .4rem; font: 600 1.1rem var(--display); }
.steps p { margin: 0; color: var(--muted); }

.others { margin-top: 2rem; }
.others a {
  display: grid; grid-template-columns: minmax(0, 11rem) minmax(0, 1fr) auto; gap: 1.25rem; align-items: baseline;
  padding: 1.15rem 0; border-top: 1px solid var(--line); text-decoration: none; transition: padding .2s;
}
.others a:last-child { border-bottom: 1px solid var(--line); }
.others .name { font: 600 1.15rem var(--wm-font, var(--mono)); letter-spacing: var(--wm-ls, -0.03em); }
.others .name i { font-style: normal; color: var(--accent); font-weight: 300; }
.others p { margin: 0; color: var(--muted); font-size: .95rem; }
.others .go { font-size: .9rem; color: var(--muted); }
.others a:hover { padding-left: .5rem; }
.others a:hover .go { color: var(--accent); }

.cta { padding: clamp(3rem, 7vw, 5rem) 0; border-top: 1px solid var(--line); background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.cta h2 { font: 600 clamp(1.5rem, 3vw, 2.2rem)/1.2 var(--display); letter-spacing: -0.025em; margin: 0 0 .75rem; max-width: 26ch; text-wrap: balance; }
.cta p { color: var(--muted); margin: 0; max-width: 48ch; }

.site-footer { border-top: 1px solid var(--line); padding: 1.75rem 0; color: var(--muted); font-size: .85rem; }
.foot { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: center; }

/* ---------- Responsivo ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .lead { max-width: 60ch; }
  .shop-grid { grid-template-columns: minmax(0, 1fr); }
  .shop-ctrl { grid-template-columns: 1fr 1fr; }
  .shop-ctrl > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  .burger { display: inline-flex; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 64px; flex-direction: column; align-items: stretch;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: .75rem 1.25rem 1.1rem;
  }
  .nav.open { display: flex; }
  .nav a { padding: .8rem .8rem; }
  .nav a.nav-site { margin: .5rem 0 0; text-align: center; }
}
@media (max-width: 720px) {
  .feat { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: minmax(0, 1fr); gap: 1.75rem; }
  .others a { grid-template-columns: minmax(0, 1fr) auto; row-gap: .25rem; }
  .others p { grid-column: 1 / -1; grid-row: 2; }
  .mat-grid, .fx-foot, .row2 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stats .stat:last-child { grid-column: 1 / -1; }
  .shop-ctrl { grid-template-columns: minmax(0, 1fr); }
  .pay-row { grid-template-columns: minmax(0, 1fr) auto; }
  .pay-row .pill { grid-column: 1; grid-row: 2; justify-self: start; }
  .pay-row .btn { grid-column: 2; grid-row: 1 / span 2; }
  .actions .btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}