/* =========================================================
   CNX Projetos e Tecnologia · seções da home
   Abertura, Soluções, Serviços, Locação, Equipamentos, Como funciona, Empresa e Contato.
   .plan, .gear e .steps também aparecem nas páginas de serviço.
   ========================================================= */

/* ---------- Abertura ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  background: #030508; color: var(--on-dark); /* abertura preta com circuito */
  padding-top: calc(var(--header-h) + clamp(40px, 8vw, 96px));
  padding-bottom: clamp(56px, 8vw, 112px);
}
.hero__circuit { /* circuito animado (assets/js/efeitos.js) */
  position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; display: block;
  /* mais apagado atrás do texto, mais aceso à direita */
  -webkit-mask-image: linear-gradient(90deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.7) 40%, #000 70%);
  mask-image: linear-gradient(90deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.7) 40%, #000 70%);
}
.hero::after { /* brilho */
  content: ""; position: absolute; z-index: -1;
  width: 720px; height: 720px; right: -160px; top: -120px;
  background: radial-gradient(circle, rgba(27,163,214,.22) 0%, rgba(30,58,95,.12) 40%, transparent 70%);
  pointer-events: none;
}

.hero__cams { /* câmeras 3D (assets/js/3d/cameras-abertura.js) */
  position: absolute; inset: 0 0 auto; height: min(100%, 100svh); z-index: -1; pointer-events: none;
}
.hero__cams canvas { display: block; width: 100%; height: 100%; }
/* a lente em SVG da primeira versão continua visível; com as câmeras 3D ela recua para não encostar nelas */
.hero.has-cams3d .hero__visual { margin-right: clamp(0px, 600px - 31.25vw, 220px); } /* em telas largas as câmeras já ficam fora da coluna */

.hero__grid {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__content { max-width: 640px; }
.hero h1 {
  font-size: clamp(2.25rem, 5.2vw, 3.875rem);
  font-weight: 700; letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero h1 em { font-style: normal; color: var(--cyan-300); }
.hero__lead { font-size: clamp(1.0625rem, 1.6vw, 1.25rem); color: var(--on-dark-soft); max-width: 560px; margin-bottom: 36px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__visual { position: relative; margin-right: calc(var(--gutter) * -1); }
.hero__visual svg { width: 100%; height: auto; overflow: visible; }

.hero__facts {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  margin: clamp(48px, 7vw, 88px) 0 0; padding: 0; list-style: none;
  background: var(--line-dark);
  border: 1px solid var(--line-dark); border-radius: var(--radius);
  overflow: hidden;
}
.hero__fact {
  display: flex; align-items: center; gap: 14px;
  padding: 20px 22px; background: rgba(6, 10, 20, 0.88); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  font-weight: 600; font-size: 0.975rem; color: var(--on-dark);
}
.hero__fact svg { width: 24px; height: 24px; flex: none; color: var(--cyan-300); }

@media (max-width: 920px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { order: -1; max-width: 360px; margin: 0 auto -8px; }
  .hero__cams { inset: var(--header-h) 0 auto; height: calc(clamp(40px, 8vw, 96px) + 352px); }
  .hero__facts { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero__actions .btn { width: 100%; }
  .hero__visual { max-width: 260px; }
  .hero__cams { height: calc(clamp(40px, 8vw, 96px) + 262px); }
}

/* ---------- Soluções ---------- */
.solutions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.solution {
  position: relative; display: flex; flex-direction: column;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s var(--ease), transform .25s var(--ease), border-color .25s var(--ease);
}
.solution:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: #C3CEDD; }
.solution__art { aspect-ratio: 532 / 190; background: var(--navy-900); overflow: hidden; }
.solution__art img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.solution:hover .solution__art img { transform: scale(1.04); }
.solution__body { padding: 28px 28px 32px; display: flex; flex-direction: column; flex: 1; }
.solution h3 { font-size: 1.375rem; }
.solution p { color: var(--ink-soft); }
.solution ul { list-style: none; padding: 0; margin: 4px 0 24px; display: grid; gap: 8px; }
.solution li { display: flex; gap: 10px; font-size: 0.975rem; font-weight: 600; }
.solution li svg { width: 18px; height: 18px; flex: none; margin-top: 4px; color: var(--steel-500); }
.solution__link {
  margin-top: auto; display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  color: var(--navy-700); text-decoration: none;
}
.solution__link svg { width: 18px; height: 18px; transition: transform .2s var(--ease); }
.solution__link:hover svg { transform: translateX(4px); }
.solution__link::after { content: ""; position: absolute; inset: 0; } /* cartão inteiro clicável */

@media (max-width: 920px) { .solutions { grid-template-columns: 1fr; max-width: 560px; } }

/* ---------- Serviços (grade bento) ---------- */
.services {
  display: grid; gap: 20px;
  grid-template-columns: repeat(3, 1fr);
  grid-template-areas:
    "cftv cftv acesso"
    "cftv cftv veicular"
    "alarme perimetro perimetro";
}
.service {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px; display: flex; flex-direction: column;
}
.service__icon {
  width: 48px; height: 48px; border-radius: var(--radius);
  display: grid; place-items: center;
  background: var(--mist-100); color: var(--navy-700);
  margin-bottom: 20px;
}
.service__icon svg { width: 26px; height: 26px; }
.service h3 { font-size: 1.25rem; margin-bottom: 10px; }
.service p { color: var(--ink-soft); font-size: 0.99rem; margin-bottom: 16px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: auto 0 0; padding: 0; }
.tags li {
  font-size: 0.8125rem; font-weight: 600; color: var(--navy-700);
  background: var(--mist-100); border-radius: 999px; padding: 5px 12px;
}

.service--cftv { grid-area: cftv; background: var(--navy-900); color: var(--on-dark); border-color: var(--navy-900); overflow: hidden; position: relative; }
.service--cftv p { color: var(--on-dark-soft); font-size: 1.0625rem; max-width: 460px; }
.service--cftv h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); }
.service--cftv .service__icon { background: rgba(27,163,214,.14); color: var(--cyan-300); }
.service--cftv .tags li { background: rgba(232,237,243,.1); color: var(--on-dark); }
.service--cftv .service__badge {
  display: inline-block; align-self: flex-start;
  font-size: 0.75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--cyan-300); border: 1px solid rgba(76,192,234,.4); border-radius: 999px;
  padding: 4px 10px; margin-bottom: 16px;
}
.service--cftv .service__art { margin: 8px -28px 24px; }
.service--cftv .service__art svg { width: 100%; height: auto; }
.service { position: relative; transition: box-shadow .25s var(--ease), transform .25s var(--ease), border-color .25s var(--ease); }
.service:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: #C3CEDD; }
.service--cftv:hover { border-color: var(--navy-900); }
.service__link { color: inherit; text-decoration: none; }
.service__link::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.service__link:hover { color: inherit; }
.service__link:focus-visible { outline: none; }
.service:has(.service__link:focus-visible) { outline: 3px solid var(--cyan-400); outline-offset: 3px; }
.service__more {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
  font-family: var(--font-display); font-weight: 600; font-size: 0.925rem; color: var(--navy-700);
}
.service__more svg { width: 16px; height: 16px; transition: transform .2s var(--ease); }
.service:hover .service__more svg { transform: translateX(4px); }
.service--cftv .service__more { color: var(--cyan-300); }
.service .tags { margin-top: auto; }
.service--acesso { grid-area: acesso; }
.service--veicular { grid-area: veicular; }
.service--alarme { grid-area: alarme; }
.service--perimetro { grid-area: perimetro; }

@media (max-width: 920px) {
  .services {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "cftv cftv"
      "acesso veicular"
      "alarme perimetro";
  }
}
@media (max-width: 600px) {
  .services { grid-template-columns: 1fr; grid-template-areas: "cftv" "acesso" "veicular" "alarme" "perimetro"; }
}

/* ---------- Instalação ou locação ---------- */
.rent-head { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(24px, 4vw, 56px); align-items: center; margin-bottom: clamp(32px, 5vw, 48px); }
.rent-head .section-head { margin-bottom: 0; }
.rent-head__img { margin: 0; background: var(--white); border-radius: var(--radius-lg); padding: 16px; border: 1px solid var(--line); }
.rent-head__img img { width: 100%; height: auto; margin: auto; }

.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.plan {
  position: relative; display: flex; flex-direction: column;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(24px, 3.5vw, 40px);
}
.plan h3 { font-size: 1.5rem; }
.plan > p { color: var(--ink-soft); }
.plan ul { list-style: none; margin: 8px 0 28px; padding: 0; display: grid; gap: 10px; }
.plan li { display: flex; gap: 10px; font-weight: 600; }
.plan li svg { width: 18px; height: 18px; flex: none; margin-top: 4px; color: var(--steel-500); }
.plan__actions { margin-top: auto; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.plan__more { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--navy-700); text-decoration: none; }
.plan__more svg { width: 16px; height: 16px; }
.plan--featured .plan__more { color: var(--cyan-300); }
.plan__more:hover { text-decoration: underline; }
.plan__icon {
  width: 52px; height: 52px; border-radius: var(--radius); margin-bottom: 20px;
  display: grid; place-items: center; background: var(--mist-100); color: var(--navy-700);
}
.plan__icon svg { width: 26px; height: 26px; }
.plan--featured { background: var(--navy-900); border-color: var(--navy-900); color: var(--on-dark); }
.plan--featured > p { color: var(--on-dark-soft); }
.plan--featured li svg { color: var(--cyan-300); }
.plan--featured .plan__icon { background: rgba(27,163,214,.14); color: var(--cyan-300); }
.plan__badge {
  position: absolute; top: 24px; right: 24px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--navy-900); background: var(--cyan-400); border-radius: 999px; padding: 5px 12px;
}

.video { margin-top: 24px; }
.video__play {
  position: relative; display: block; width: 100%; max-width: 760px; margin: 0 auto; padding: 0;
  aspect-ratio: 16 / 9; border: 0; border-radius: var(--radius-lg); overflow: hidden; cursor: pointer;
  background: var(--navy-900);
}
.video__play img { width: 100%; height: 100%; object-fit: cover; opacity: .75; }
.video__icon {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center;
  background: var(--cyan-400); color: var(--navy-900); transition: transform .2s var(--ease);
}
.video__icon svg { width: 34px; height: 34px; margin-left: 4px; }
.video__play:hover .video__icon { transform: translate(-50%, -50%) scale(1.08); }
.video__label {
  position: absolute; left: 20px; bottom: 18px; color: var(--white);
  font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem; text-align: left;
  text-shadow: 0 1px 8px rgba(0,0,0,.5);
}
.video iframe { display: block; width: 100%; max-width: 760px; margin: 0 auto; aspect-ratio: 16 / 9; border: 0; border-radius: var(--radius-lg); }

@media (max-width: 920px) {
  .rent-head, .plans { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .plan .btn { width: 100%; }
  .plan__badge { position: static; align-self: flex-start; margin-bottom: 16px; order: -1; }
}

/* ---------- Equipamentos ---------- */
.gear { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.gear__item {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: box-shadow .25s var(--ease), transform .25s var(--ease);
}
.gear__item:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.gear__img { aspect-ratio: 2 / 1; background: var(--mist-100); overflow: hidden; }
.gear__img img { width: 100%; height: 100%; object-fit: cover; }
.gear__img--product { background: var(--white); border-bottom: 1px solid var(--line); }
.gear__img--product img { object-fit: contain; padding: 10px; }
.gear__body { padding: 20px 22px 24px; }
.gear__cat { display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--steel-500); margin-bottom: 8px; }
.gear h3 { font-size: 1.125rem; margin-bottom: 8px; }
.gear p { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }
@media (max-width: 1100px) { .gear { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 820px) { .gear { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .gear { grid-template-columns: 1fr; } }

/* ---------- Processo ---------- */
.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  counter-reset: step;
  border-top: 1px solid var(--line-dark);
}
.step { padding: 32px 28px 8px 0; position: relative; counter-increment: step; }
.step::before {
  content: "0" counter(step);
  display: block; font-family: var(--font-display); font-weight: 600;
  font-size: 0.875rem; letter-spacing: .1em; color: var(--cyan-300);
  margin-bottom: 18px;
}
.step::after { /* marcador sobre a linha */
  content: ""; position: absolute; top: -5px; left: 0;
  width: 9px; height: 9px; border-radius: 50%; background: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(27,163,214,.2);
}
.step h3 { font-size: 1.25rem; color: var(--white); }
.step p { color: var(--on-dark-soft); font-size: 0.99rem; margin: 0; }

@media (max-width: 920px) {
  .steps { grid-template-columns: 1fr 1fr; border-top: 0; gap: 0 24px; }
  .step { border-top: 1px solid var(--line-dark); padding-right: 0; padding-bottom: 32px; }
}
@media (max-width: 540px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Empresa ---------- */
.about { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.about__text h2 { font-size: clamp(1.875rem, 3.6vw, 2.75rem); }
.about__text p { color: var(--ink-soft); font-size: 1.0625rem; }
.about__text .lead { color: var(--ink); font-size: 1.1875rem; font-weight: 500; }
.pillars { display: grid; gap: 16px; }
.pillar {
  display: grid; grid-template-columns: 52px 1fr; gap: 20px; align-items: start;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 24px;
}
.pillar__icon {
  width: 52px; height: 52px; border-radius: var(--radius);
  display: grid; place-items: center; background: var(--navy-900); color: var(--cyan-300);
}
.pillar__icon svg { width: 26px; height: 26px; }
.pillar h3 { font-size: 1.125rem; margin-bottom: 6px; }
.pillar p { color: var(--ink-soft); font-size: 0.975rem; margin: 0; }

@media (max-width: 920px) { .about { grid-template-columns: 1fr; } }

.system {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center;
  margin-top: clamp(48px, 7vw, 80px);
}
.system__img { margin: 0; }
.system__img img { width: 100%; height: auto; border-radius: var(--radius); }
.system__text h3 { font-size: clamp(1.375rem, 2.4vw, 1.75rem); }
.system__text p { color: var(--ink-soft); }
@media (max-width: 920px) { .system { grid-template-columns: 1fr; } .system__img { max-width: 560px; } }

/* ---------- Contato ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.contact__info h2 { font-size: clamp(1.875rem, 3.6vw, 2.75rem); }
.contact__info > p { color: var(--ink-soft); font-size: 1.125rem; }

.channels { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 12px; }
.channel {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 20px; border-radius: var(--radius);
  background: var(--white); border: 1px solid var(--line);
  text-decoration: none; color: var(--ink);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
a.channel:hover { border-color: var(--steel-500); box-shadow: var(--shadow-sm); color: var(--ink); }
.channel__icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm); flex: none;
  display: grid; place-items: center; background: var(--mist-100); color: var(--navy-700);
}
.channel__icon svg { width: 22px; height: 22px; }
.channel__label { display: block; font-size: 0.8125rem; color: var(--ink-soft); font-weight: 600; }
.channel__value { display: block; font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem; word-break: break-word; }

.form-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow);
}
.form-card h3 { font-size: 1.375rem; }
.form-card > p { color: var(--ink-soft); font-size: 0.975rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 24px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 0.9rem; font-weight: 700; color: var(--ink); }
.field label .opt { font-weight: 500; color: var(--ink-soft); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 14px;
  font: inherit; font-size: 1rem; color: var(--ink);
  background: #F7F9FC; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  transition: border-color .2s var(--ease), background-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--steel-500); background: var(--white);
  box-shadow: 0 0 0 4px rgba(59,111,160,.15);
}
.field input:user-invalid, .field textarea:user-invalid { border-color: #B42318; }
.form-legal { grid-column: 1 / -1; font-size: 0.8125rem; color: var(--ink-soft); margin: 0; }
.form-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.form-actions .btn { min-width: 220px; }
.form-status { font-size: 0.925rem; font-weight: 600; margin: 0; }
.form-status.is-ok { color: #1F7A45; }
.form-status.is-error { color: #B42318; }

@media (max-width: 920px) { .contact { grid-template-columns: 1fr; } }
@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-actions .btn { width: 100%; }
}