/* BJC Telecom — tema escuro com azul neon. Fontes hospedadas no próprio site. */

@font-face { font-family: "Bricolage Grotesque"; font-weight: 600; font-style: normal; font-display: swap;
  src: url("../fonts/bricolage-grotesque-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Bricolage Grotesque"; font-weight: 800; font-style: normal; font-display: swap;
  src: url("../fonts/bricolage-grotesque-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-style: normal; font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; font-style: normal; font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-style: normal; font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); }

:root {
  --abyss: #050914;
  --deck: #0a1128;
  --deck-2: #0e1736;
  --line: #1a2756;
  --line-2: #2a3b7a;
  --brand: #302792;
  --neon: #33b5ff;
  --neon-ink: #03101f;
  --periwinkle: #7c86ff;
  --text: #e7ecff;
  --muted: #95a2cb;
  --led: #38e08c;
  --danger: #ff8a8a;

  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;

  --wrap: 1200px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --header-h: 76px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--abyss); color: var(--text);
  font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.62;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--neon); outline-offset: 3px; border-radius: 4px; }

.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ico { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }

.skip { position: absolute; left: 1rem; top: -4rem; z-index: 100; background: var(--neon); color: var(--neon-ink);
  padding: .6rem 1rem; border-radius: 8px; font-weight: 600; text-decoration: none; }
.skip:focus { top: 1rem; }

/* ---------- tipografia ---------- */
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.02em; text-wrap: balance; }
h1 { font-weight: 800; font-size: clamp(2.6rem, 6.4vw, 4.75rem); line-height: 1.02; }
h2 { font-weight: 800; font-size: clamp(2rem, 4.2vw, 3.1rem); line-height: 1.06; }
h3 { font-weight: 600; font-size: 1.4rem; line-height: 1.2; letter-spacing: -0.01em; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.28rem); color: var(--muted); max-width: 46ch; }
.section-intro { color: var(--muted); max-width: 54ch; margin-top: 1rem; }

/* ---------- botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 3rem; padding: .7rem 1.4rem; border-radius: 10px; border: 1px solid transparent;
  font: 600 1rem/1 var(--font-body); text-decoration: none; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease;
}
.btn-primary { background: var(--neon); color: var(--neon-ink);
  box-shadow: 0 0 0 1px rgba(51,181,255,.5), 0 10px 34px -10px rgba(51,181,255,.7); }
.btn-primary:hover { background: #5cc4ff; transform: translateY(-1px); }
.btn-ghost { border-color: var(--line-2); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--neon); background: rgba(51,181,255,.07); }
.btn-sm { min-height: 2.6rem; padding: .55rem 1.05rem; font-size: .95rem; }

/* ---------- cabeçalho ---------- */
.site-header { position: sticky; top: 0; z-index: 50; height: var(--header-h);
  background: rgba(5, 9, 20, .82); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line); }
.header-in { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: flex; align-items: center; border-radius: 6px; }
.brand img { height: 52px; width: auto; filter: drop-shadow(0 0 14px rgba(51,181,255,.28)); }
.nav { display: flex; align-items: center; gap: 2rem; }
.nav-links { display: flex; gap: 1.75rem; }
.nav-links a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: .98rem; padding: .4rem 0;
  border-bottom: 2px solid transparent; transition: color .15s ease, border-color .15s ease; }
.nav-links a:hover { color: var(--text); border-color: var(--neon); }
.menu-btn { display: none; width: 2.75rem; height: 2.75rem; border-radius: 10px; border: 1px solid var(--line-2);
  background: transparent; color: var(--text); cursor: pointer; align-items: center; justify-content: center; }

/* ---------- hero ---------- */
.hero { padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(3rem, 6vw, 4.5rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero-copy > * + * { margin-top: 1.5rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: .85rem; padding-top: .5rem; }
.hero-note { color: var(--muted); font-size: .98rem; max-width: 46ch; }

.topology { position: relative; border: 1px solid var(--line); border-radius: 20px; padding: clamp(.5rem, 2vw, 1.25rem);
  background-color: var(--deck);
  background-image: radial-gradient(rgba(124,134,255,.2) 1px, transparent 1px); background-size: 22px 22px; }
.topo-hint { color: var(--muted); font-size: .88rem; padding: .25rem .5rem .5rem; }
.topo { width: 100%; height: auto; }
.wire { fill: none; stroke: var(--line-2); stroke-width: 2; }
.wire-vpn { fill: none; stroke: var(--periwinkle); stroke-width: 2; stroke-dasharray: 6 6; opacity: .8; }
.packet { fill: var(--neon); filter: drop-shadow(0 0 6px var(--neon)); }
.packet-vpn { fill: var(--periwinkle); filter: drop-shadow(0 0 6px var(--periwinkle)); }
.node { cursor: pointer; outline: none; }
.node-box { fill: var(--deck-2); stroke: var(--line-2); stroke-width: 1.5; transition: stroke .15s ease, fill .15s ease; }
.node-ico { fill: none; stroke: var(--neon); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.node-label { fill: var(--text); font: 500 15px/1 var(--font-mono); }
.node:hover .node-box, .node:focus-visible .node-box { stroke: var(--neon); fill: #12204a; }
.node:focus-visible .node-box { stroke-width: 3; }
.tag { fill: var(--periwinkle); font: 500 13px/1 var(--font-mono); }
.topo.is-still .packet { display: none; }

.bars { height: 30px; background: repeating-linear-gradient(90deg, var(--brand) 0 56px, transparent 56px 86px);
  -webkit-mask-image: linear-gradient(180deg, #000, #000); opacity: .9; }

/* ---------- seções ---------- */
.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }
.section.section-tight { padding-top: 0; }
.section-head { margin-bottom: clamp(2rem, 4vw, 3rem); }

/* serviços */
.svc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 1.25rem clamp(2rem, 5vw, 4rem);
  padding: 2.25rem .75rem; border-top: 1px solid var(--line); transition: background-color .2s ease; }
.svc:last-child { border-bottom: 1px solid var(--line); }
.svc:hover { background: rgba(51,181,255,.035); }
.svc-head { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); gap: 1.1rem; align-items: start; }
.svc-ico { width: 3.5rem; height: 3.5rem; display: grid; place-items: center; border-radius: 12px;
  border: 1px solid var(--line-2); background: var(--deck); color: var(--neon); }
.svc-desc { color: var(--muted); margin-top: .5rem; max-width: 44ch; }
.svc-body { display: flex; flex-direction: column; gap: 1.1rem; }
.svc-list { display: grid; gap: .7rem; }
.svc-list li { display: flex; gap: .8rem; }
.svc-list li::before { content: ""; flex: none; width: .5rem; height: .5rem; margin-top: .6rem; border-radius: 2px;
  background: var(--led); box-shadow: 0 0 8px rgba(56,224,140,.6); }
.svc-link { align-self: flex-start; color: var(--neon); font-weight: 600; text-decoration: underline; text-underline-offset: 4px;
  text-decoration-thickness: 1px; }
.svc-link:hover { text-decoration-thickness: 2px; }

/* como trabalhamos */
.process { background: var(--deck); border-block: 1px solid var(--line); }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; counter-reset: step; }
.step { position: relative; padding-top: 2.25rem; border-top: 2px solid var(--line-2); }
.step::before { counter-increment: step; content: counter(step); position: absolute; top: -1.15rem; left: 0;
  width: 2.3rem; height: 2.3rem; display: grid; place-items: center; border-radius: 8px;
  background: var(--neon); color: var(--neon-ink); font: 800 1.15rem/1 var(--font-display); }
.step p { color: var(--muted); margin-top: .6rem; max-width: 30ch; }

/* pilares */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem 3rem; }
.pillar { border-left: 3px solid var(--brand); padding-left: 1.25rem; }
.pillar p { color: var(--muted); margin-top: .55rem; max-width: 34ch; }

/* clientes — parede de logos, com peso visual uniforme */
.clients { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.client { display: flex; align-items: center; justify-content: center; min-height: 168px;
  padding: 1.5rem; background: #ffffff; }
.client img { display: block; margin-inline: auto; max-width: 84%; max-height: 76px; width: auto; height: auto;
  filter: grayscale(1) contrast(1.05); opacity: .75; transition: filter .2s ease, opacity .2s ease, transform .2s ease; }
.client:hover img, .client:focus-within img { filter: grayscale(0); opacity: 1; transform: scale(1.05); }
.client:focus-within { outline: 2px solid var(--neon); outline-offset: -2px; }

/* contato */
.contact { background: var(--deck); border-top: 1px solid var(--line); }
.contact-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.contact-copy > * + * { margin-top: 1.5rem; }
.contact-list { display: grid; gap: .9rem; color: var(--muted); }
.contact-list a { color: var(--text); text-underline-offset: 4px; }
.contact-list li { display: flex; gap: .75rem; align-items: center; }
.contact-list .ico { color: var(--neon); }

.form { background: var(--abyss); border: 1px solid var(--line-2); border-radius: 18px; padding: clamp(1.25rem, 3vw, 2rem);
  display: grid; gap: 1.1rem; }
.field { display: grid; gap: .4rem; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; }
.field label { font-weight: 600; font-size: .95rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: .8rem .9rem; border-radius: 8px; border: 1px solid var(--line-2);
  background: var(--deck); color: var(--text); font: inherit; }
.field textarea { min-height: 7.5rem; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--neon); box-shadow: 0 0 0 3px rgba(51,181,255,.25); }
.form-actions { display: flex; flex-wrap: wrap; gap: .8rem; padding-top: .25rem; }
.form-status { min-height: 1.4em; font-size: .95rem; color: var(--neon); }
.form-note { color: var(--muted); font-size: .86rem; max-width: 60ch; }
.form-note a { color: var(--text); }

/* rodapé */
.site-footer { border-top: 1px solid var(--line); padding: 2.5rem 0 3rem; color: var(--muted); font-size: .95rem; }
.footer-in { display: flex; flex-wrap: wrap; gap: 1.5rem 3rem; align-items: center; justify-content: space-between; }
.footer-brand { display: flex; align-items: center; gap: 1rem; }
.footer-brand img { height: 44px; width: auto; }
.footer-links { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.footer-links a { text-underline-offset: 4px; }
.footer-links a:hover { color: var(--text); }

/* botão flutuante (celular) */
.fab { position: fixed; right: 1rem; bottom: 1rem; z-index: 60; width: 3.6rem; height: 3.6rem; display: none; place-items: center;
  border-radius: 50%; background: var(--neon); color: var(--neon-ink);
  box-shadow: 0 0 0 1px rgba(51,181,255,.5), 0 12px 30px -8px rgba(51,181,255,.8); }

/* páginas internas (privacidade, 404) */
.doc { padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 6vw, 5rem); }
.doc h1 { font-size: clamp(2.1rem, 5vw, 3.3rem); }
.doc h2 { font-size: 1.5rem; margin-top: 2.25rem; }
.doc p, .doc li { color: var(--muted); max-width: 68ch; margin-top: .8rem; }
.doc ul { list-style: disc; padding-left: 1.25rem; }
.doc a { color: var(--neon); text-underline-offset: 4px; }

/* ---------- responsivo ---------- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .topology { max-width: 640px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.75rem 2rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .clients { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .menu-btn { display: inline-flex; }
  .nav { position: absolute; top: var(--header-h); left: 0; right: 0; display: none; flex-direction: column; align-items: stretch;
    gap: 1rem; padding: 1.25rem var(--gutter) 1.5rem; background: var(--abyss); border-bottom: 1px solid var(--line); box-shadow: 0 24px 40px -20px rgba(0,0,0,.8); }
  .site-header.is-open .nav { display: flex; }
  .nav-links { flex-direction: column; gap: .25rem; }
  .nav-links a { padding: .75rem 0; font-size: 1.1rem; }
  .svc { grid-template-columns: 1fr; padding-inline: 0; }
  .pillars { grid-template-columns: 1fr; }
  .fab { display: grid; }
}
@media (max-width: 600px) {
  body { font-size: 1rem; }
  .steps { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .cta-row .btn, .form-actions .btn { width: 100%; }
  .brand img { height: 46px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .packet { display: none; }
}