/* =========================================================
   ENKI Technologies — folha de estilos
   Tema escuro, alinhado com a identidade NEXUSiD.
   ========================================================= */

:root{
  /* Superfícies */
  --bg:            #09121c;
  --surface:       #0e1925;
  --surface-2:     #101c27;
  --elevated:      #14202d;

  /* Texto */
  --fg:            #eff2f5;
  --fg-muted:      #86909b;
  --fg-soft:       #c9ced4;

  /* Acentos */
  --primary:       #19affe;
  --primary-deep:  #2563eb;
  --violet:        #8675d4;
  --success:       #22c373;

  /* Linhas */
  --border:        #262f3899;
  --border-solid:  #223041;

  --gradient:      linear-gradient(135deg, #19affe, #8675d4);
  --shadow:        0 1px 0 0 #ffffff0a inset, 0 10px 30px -12px #00000080;
  --shadow-glow:   0 0 0 1px #19affe40, 0 8px 32px -8px #19affe59;

  --radius:        14px;
  --radius-sm:     10px;
  --header-h:      70px;

  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:calc(var(--header-h) + 20px); }
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font);
  font-size:clamp(.95rem, .92rem + .18vw, 1.02rem);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{ max-width:100%; display:block; }
h1,h2,h3,h4{ margin:0 0 .5em; line-height:1.12; letter-spacing:-.025em; font-weight:600; }
p{ margin:0 0 1em; }
a{ color:inherit; }
ul,ol,dl{ margin:0; padding:0; list-style:none; }
code{ font-family:var(--font-mono); font-size:.88em; color:var(--primary); }

.skip-link{ position:absolute; left:-9999px; top:0; z-index:300; background:var(--primary); color:#050c13; padding:12px 20px; }
.skip-link:focus{ left:0; }
:focus-visible{ outline:2px solid var(--primary); outline-offset:3px; border-radius:6px; }

/* ---------- Layout ---------- */
.wrap{ width:min(1140px, 100% - 40px); margin-inline:auto; }
.section{ padding:clamp(74px, 8.5vw, 128px) 0; position:relative; }
.section-surface{ background:var(--surface); border-block:1px solid var(--border); }

/* Grelha de fundo, como na referência */
.grid-bg{
  position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 100%);
}
.glow{ position:absolute; border-radius:50%; filter:blur(110px); pointer-events:none; z-index:0; }
.glow-1{ width:520px; height:520px; background:#19affe; opacity:.13; top:-160px; left:50%; transform:translateX(-70%); }
.glow-2{ width:420px; height:420px; background:#8675d4; opacity:.11; top:60px; right:-120px; }
.glow-3{ width:600px; height:400px; background:#19affe; opacity:.09; bottom:-180px; left:50%; transform:translateX(-50%); }

/* ---------- Botões ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  font-size:.94rem; font-weight:500; letter-spacing:-.01em;
  padding:12px 22px; border-radius:var(--radius-sm);
  border:1px solid transparent; text-decoration:none; cursor:pointer;
  transition:background .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn-primary{ background:var(--primary); color:#050c13; font-weight:600; box-shadow:var(--shadow-glow); }
.btn-primary:hover{ background:#3dbcff; transform:translateY(-1px); }
.btn-outline{ background:var(--elevated); color:var(--fg); border-color:var(--border-solid); }
.btn-outline:hover{ background:#1a2735; border-color:#2f4256; }
.btn-sm{ padding:9px 18px; font-size:.88rem; }
.btn-block{ display:flex; width:100%; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  height:var(--header-h);
  background:rgba(9,18,28,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:20px; height:100%; }

.brand{ display:inline-flex; align-items:center; gap:11px; text-decoration:none; }
.brand-mark{ width:36px; height:36px; flex:none; display:block; object-fit:contain; }
.brand-mark.small{ width:22px; height:22px; }
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text strong{ font-size:1.06rem; font-weight:700; letter-spacing:.06em; }
.brand-text em{ font-style:normal; font-size:.58rem; letter-spacing:.26em; color:var(--fg-muted); font-weight:500; }

.nav{ display:flex; align-items:center; gap:30px; }
.nav a{ text-decoration:none; font-size:.92rem; color:var(--fg-soft); transition:color .16s ease; }
.nav a:hover{ color:var(--fg); }
.nav a.btn:hover{ color:var(--fg); }

.nav-toggle{
  display:none; width:42px; height:38px; padding:0;
  background:var(--elevated); border:1px solid var(--border-solid); border-radius:var(--radius-sm);
  cursor:pointer; flex-direction:column; align-items:center; justify-content:center; gap:4px;
}
.nav-toggle span{ display:block; width:16px; height:1.5px; background:var(--fg); transition:transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-5.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{ position:relative; overflow:hidden; padding:clamp(80px, 10vw, 150px) 0 clamp(64px, 7vw, 104px); }
.hero-inner{ position:relative; z-index:2; text-align:center; }

.pill{
  display:inline-flex; align-items:center; gap:9px;
  background:var(--elevated); border:1px solid var(--border-solid); border-radius:999px;
  padding:6px 16px; font-size:.83rem; color:var(--fg-soft); margin-bottom:30px;
}
.pill-dot{ width:7px; height:7px; border-radius:50%; background:var(--success); box-shadow:0 0 8px var(--success); }

.hero-title{
  font-size:clamp(2.5rem, 6.4vw, 4.6rem);
  font-weight:700; letter-spacing:-.035em; margin-bottom:.4em;
}
.grad{
  background:var(--gradient);
  -webkit-background-clip:text; background-clip:text;
  color:transparent; -webkit-text-fill-color:transparent;
}
.hero-lead{
  font-size:clamp(1rem, .96rem + .38vw, 1.2rem);
  color:var(--fg-muted); max-width:62ch; margin-inline:auto;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:12px; justify-content:center; margin:36px 0 56px; }

.stats{
  display:grid; grid-template-columns:repeat(4, 1fr); gap:1px;
  background:var(--border-solid); border:1px solid var(--border-solid); border-radius:var(--radius);
  overflow:hidden; max-width:900px; margin-inline:auto;
}
.stats li{ background:var(--surface-2); padding:22px 16px; display:grid; gap:5px; }
.stats strong{ font-size:1.12rem; font-weight:600; color:var(--fg); }
.stats span{ font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color:var(--fg-muted); }

/* ---------- Marquee de produtos ---------- */
.logos{ padding:38px 0 44px; border-block:1px solid var(--border); background:var(--surface); position:relative; }
.logos-label{
  text-align:center; font-size:.72rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--fg-muted); margin-bottom:24px;
}
.marquee{
  overflow:hidden;
  mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track{ display:flex; align-items:center; gap:18px; width:max-content; animation:scroll 26s linear infinite; }
.marquee:hover .marquee-track{ animation-play-state:paused; }
@keyframes scroll{ to{ transform:translateX(-50%); } }

.logo-chip{
  display:inline-flex; align-items:center; gap:11px; flex:none;
  padding:11px 20px; border:1px solid var(--border-solid); border-radius:var(--radius-sm);
  background:var(--surface-2); text-decoration:none;
  transition:border-color .18s ease, background .18s ease;
}
.logo-chip:hover{ border-color:#2f4256; background:var(--elevated); }
/* O logótipo traz o seu próprio fundo, por isso o contentor é só a máscara. */
.chip-mark{ width:26px; height:26px; border-radius:8px; overflow:hidden; flex:none; }
.chip-mark img{ width:100%; height:100%; display:block; }
.chip-name{ font-size:.92rem; font-weight:600; letter-spacing:.05em; color:var(--fg); white-space:nowrap; }
.chip-thin{ font-weight:400; color:var(--fg-muted); }
.chip-name sup{ font-size:.55em; color:var(--fg-muted); }

/* ---------- Cabeçalhos de secção ---------- */
.section-head{ max-width:660px; margin-bottom:52px; }
.kicker{
  font-size:.72rem; letter-spacing:.22em; text-transform:uppercase;
  color:var(--primary); margin-bottom:16px; font-weight:600;
}
.section-title{ font-size:clamp(1.85rem, 3.9vw, 2.9rem); font-weight:700; letter-spacing:-.03em; }
.lead{ color:var(--fg-muted); font-size:1.05rem; max-width:60ch; }

/* ---------- Sobre ---------- */
.about-grid{ display:grid; grid-template-columns:1.25fr .8fr; gap:56px; align-items:start; }
.about-grid p{ color:var(--fg-muted); }
.about-grid .lead{ color:var(--fg-soft); }
.motto{ color:var(--fg) !important; font-weight:600; font-size:1.1rem; margin-top:26px; letter-spacing:-.01em; }

.quote-card{
  background:linear-gradient(180deg, var(--surface-2), #0b151f);
  border:1px solid var(--border-solid); border-radius:var(--radius);
  padding:32px 28px; box-shadow:var(--shadow); position:relative; overflow:hidden;
}
.quote-card::before{ content:""; position:absolute; inset:0 0 auto; height:1px; background:var(--gradient); }
.quote-label{ font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:var(--fg-muted); margin-bottom:18px; }
.quote-card blockquote{
  margin:0 0 26px; font-size:1.25rem; line-height:1.45; font-weight:500;
  letter-spacing:-.02em; color:var(--fg);
}
.quote-foot{ display:flex; align-items:center; gap:10px; font-size:.85rem; color:var(--fg-muted); border-top:1px solid var(--border); padding-top:18px; }

/* ---------- Cards de soluções ---------- */
.cards{ display:grid; grid-template-columns:repeat(auto-fit, minmax(290px,1fr)); gap:20px; }
.card{
  background:var(--surface-2); border:1px solid var(--border-solid); border-radius:var(--radius);
  padding:28px 26px; transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.card:hover{ border-color:#2f4256; transform:translateY(-3px); box-shadow:var(--shadow); }
.card-icon{
  width:42px; height:42px; border-radius:11px; display:grid; place-items:center; margin-bottom:20px;
  background:rgba(25,175,254,.1); border:1px solid rgba(25,175,254,.24);
}
.card-icon svg{ width:20px; height:20px; fill:none; stroke:var(--primary); stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round; }
.card h3{ font-size:1.08rem; font-weight:600; margin-bottom:.5em; }
.card p{ color:var(--fg-muted); font-size:.94rem; margin:0; }

/* ---------- Produtos ---------- */
.products{ display:grid; grid-template-columns:repeat(auto-fit, minmax(340px,1fr)); gap:22px; }
.product{
  background:linear-gradient(180deg, var(--surface-2), #0b151f);
  border:1px solid var(--border-solid); border-radius:var(--radius);
  padding:30px 28px; display:flex; flex-direction:column;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.product:hover{ border-color:#2f4256; box-shadow:var(--shadow); }
.product-head{ display:flex; align-items:center; gap:15px; margin-bottom:20px; }
.product-logo{ width:52px; height:52px; border-radius:14px; overflow:hidden; flex:none; }
.product-logo img{ width:100%; height:100%; display:block; }
.product-name{ font-size:1.3rem; font-weight:700; letter-spacing:.03em; margin:0 0 3px; }
.product-name .thin{ font-weight:400; color:var(--fg-muted); }
.product-name sup{ font-size:.5em; color:var(--fg-muted); }
.product-tag{ margin:0; font-size:.85rem; color:var(--primary); }
.product-desc{ color:var(--fg-muted); font-size:.96rem; }
.product-points{ display:grid; gap:10px; margin-bottom:24px; }
.product-points li{ position:relative; padding-left:24px; font-size:.92rem; color:var(--fg-muted); }
.product-points strong{ color:var(--fg); font-weight:600; }
.product-points li::before{
  content:""; position:absolute; left:0; top:.55em;
  width:7px; height:7px; border-radius:2px; background:var(--gradient);
}
.product-foot{
  margin-top:auto; padding-top:20px; border-top:1px solid var(--border);
  display:flex; flex-wrap:wrap; gap:14px; align-items:center; justify-content:space-between;
}
.chips{ display:flex; flex-wrap:wrap; gap:7px; }
.chips li{
  font-size:.72rem; letter-spacing:.06em; padding:4px 11px; border-radius:999px;
  background:var(--elevated); border:1px solid var(--border-solid); color:var(--fg-muted);
}
.link-arrow{ font-size:.9rem; font-weight:500; color:var(--primary); text-decoration:none; white-space:nowrap; }
.link-arrow:hover{ text-decoration:underline; }

/* ---------- Visão ---------- */
.section-vision{ position:relative; overflow:hidden; text-align:center; border-top:1px solid var(--border); }
.vision-inner{ position:relative; z-index:2; }
.vision-title{ font-size:clamp(2rem, 5vw, 3.5rem); font-weight:700; letter-spacing:-.035em; margin-bottom:.55em; }
.vision-lead{ color:var(--fg-muted); font-size:1.08rem; max-width:64ch; margin:0 auto 32px; }
.vision-motto{ font-size:1.15rem; font-weight:600; letter-spacing:-.015em; margin-bottom:36px; }

/* ---------- Contacto ---------- */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:56px; align-items:start; }
.contact-info{ display:grid; gap:22px; margin-top:36px; }
.contact-info dt{ font-size:.72rem; letter-spacing:.18em; text-transform:uppercase; color:var(--fg-muted); margin-bottom:5px; }
.contact-info dd{ margin:0; font-size:1.05rem; font-weight:500; }
.contact-info a{ text-decoration:none; color:var(--fg); border-bottom:1px solid rgba(25,175,254,.4); }
.contact-info a:hover{ color:var(--primary); }

.contact-form{
  background:var(--surface-2); border:1px solid var(--border-solid); border-radius:var(--radius);
  padding:30px 28px; display:grid; gap:16px; box-shadow:var(--shadow);
}
.field{ display:grid; gap:7px; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field label{ font-size:.84rem; font-weight:500; color:var(--fg-soft); }
.req{ color:var(--primary); }
.field input,.field select,.field textarea{
  font-family:inherit; font-size:.95rem; color:var(--fg);
  background:#0b141e; border:1px solid var(--border-solid); border-radius:var(--radius-sm);
  padding:11px 14px; width:100%; resize:vertical;
  transition:border-color .16s ease, box-shadow .16s ease;
}
.field input::placeholder,.field textarea::placeholder{ color:#5c6673; }
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none; border-color:var(--primary); box-shadow:0 0 0 3px rgba(25,175,254,.16);
}
.field .invalid{ border-color:#ee343b; }
.form-note{ margin:0; font-size:.8rem; color:var(--fg-muted); text-align:center; }
.form-note.ok{ color:var(--success); }
.form-note.err{ color:#ee343b; }

/* ---------- Footer ---------- */
.site-footer{ background:#060d15; border-top:1px solid var(--border); padding:60px 0 0; }
.footer-inner{ display:grid; grid-template-columns:1fr 1.5fr; gap:48px; padding-bottom:44px; }
.footer-brand p{ color:var(--fg-muted); font-size:.92rem; margin-top:18px; }
.footer-nav{ display:grid; grid-template-columns:repeat(auto-fit, minmax(150px,1fr)); gap:32px; }
.footer-nav h4{ font-size:.72rem; letter-spacing:.18em; text-transform:uppercase; color:var(--fg-muted); margin-bottom:14px; font-weight:600; }
.footer-nav a{ display:block; text-decoration:none; color:var(--fg-soft); font-size:.9rem; padding:5px 0; transition:color .16s ease; }
.footer-nav a:hover{ color:var(--primary); }
.footer-bottom{
  display:flex; flex-wrap:wrap; gap:8px 24px; justify-content:space-between;
  border-top:1px solid var(--border); padding:20px 0; font-size:.82rem; color:var(--fg-muted);
}
.footer-bottom p{ margin:0; }
.footer-tag{ letter-spacing:.08em; }

/* ---------- Animação de entrada ---------- */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:none; }

/* ---------- Responsivo ---------- */
@media (max-width:980px){
  .about-grid,.contact-grid,.footer-inner{ grid-template-columns:1fr; gap:38px; }
  .stats{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:820px){
  .nav-toggle{ display:flex; }
  .nav{
    position:fixed; inset:var(--header-h) 0 auto; z-index:99;
    flex-direction:column; align-items:stretch; gap:0;
    background:var(--surface); border-bottom:1px solid var(--border);
    padding:12px 20px 22px;
    transform:translateY(-130%); transition:transform .28s ease; visibility:hidden;
  }
  .nav.open{ transform:translateY(0); visibility:visible; }
  .nav a{ padding:13px 2px; border-bottom:1px solid var(--border); font-size:1rem; }
  .nav .btn{ margin-top:16px; justify-content:center; border-bottom:1px solid var(--border-solid); }
}
@media (max-width:600px){
  .wrap{ width:calc(100% - 32px); }
  .field-row{ grid-template-columns:1fr; }
  .hero-actions .btn{ width:100%; }
  .contact-form,.product,.quote-card{ padding:24px 20px; }
  .product-foot{ flex-direction:column; align-items:flex-start; }
}

/* ---------- Movimento reduzido ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; }
}

/* A entidade legal no rodape: presente mas discreta — quem a procura sabe
   onde olhar, e nao rouba peso ao resto. */
.footer-legal {
  display: inline-block;
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  opacity: 0.65;
}