/* ===== DSF Informática — styles.css ===== */
:root {
  /* Paleta extraída da LOGO oficial: circuito vermelho + mascote ciano sobre azul-marinho */
  --bg: #060a14;
  --bg-2: #0a1222;
  --surface: #0d1729;
  --surface-2: #122036;
  --line: #1e2f4d;
  --text: #eef3ff;
  --muted: #9db0d4;
  --primary: #e11d48;      /* vermelho/carmim do circuito */
  --primary-2: #6fd3e8;    /* ciano do mascote */
  --cyan-text: #6fd3e8;    /* ciano legível sobre o fundo do tema atual */
  --teal: #1f7d8c;
  --whats: #25d366;
  --ok: #34d399;
  --ok-text: #6ee7b7;
  --err-text: #ffb3af;
  --radius: 16px;
  --shadow: 0 12px 34px rgba(0, 0, 0, .55);
  --max: 1120px;
  color-scheme: dark;

  /* Cartões "de vidro": transparentes pra deixar a FOTO DE FUNDO aparecer */
  --glass: rgba(8, 14, 26, .30);
  --glass-strong: rgba(8, 14, 26, .58);
  --tile-line: rgba(255, 255, 255, .10);
  --blur: blur(9px);

  /* Foto de fundo da página */
  --foto-1: rgba(6, 10, 20, .40);
  --foto-2: rgba(6, 10, 20, .48);
  --foto-3: rgba(6, 10, 20, .66);
  --brilho: rgba(225, 29, 72, .16);
  --hero-glow: rgba(225, 29, 72, .22);

  /* Cabeçalho, menu, campos e hero */
  --header-bg: rgba(8, 13, 24, .68);
  --menu-bg: rgba(8, 13, 24, .97);
  --footer-bg: rgba(8, 13, 24, .62);
  --input-bg: rgba(6, 10, 20, .55);
  --section-alt: rgba(10, 18, 34, .14);
  --hero-1: rgba(6, 10, 20, .74);
  --hero-2: rgba(6, 10, 20, .42);
  --hero-3: rgba(6, 10, 20, 0);
  --hero-v1: rgba(6, 10, 20, .50);
  --hero-v2: rgba(6, 10, 20, .06);
  --hero-v3: rgba(6, 10, 20, 0);
  --nome-glow: 0 0 16px rgba(111, 211, 232, .35);
}

/* ===== TELA BRANCA (tema claro) ===== */
html[data-tema="claro"] {
  --bg: #eef2f9;
  --bg-2: #e3e9f4;
  --surface: #ffffff;
  --surface-2: #f5f8fd;
  --line: #c2cfe2;
  --text: #0b1424;
  --muted: #4b5f7d;
  --cyan-text: #0e7490;
  --ok-text: #047857;
  --err-text: #b91c1c;
  --shadow: 0 12px 30px rgba(20, 40, 70, .16);
  color-scheme: light;

  --glass: rgba(255, 255, 255, .58);
  --glass-strong: rgba(255, 255, 255, .84);
  --tile-line: rgba(11, 20, 36, .10);

  --foto-1: rgba(240, 244, 250, .58);
  --foto-2: rgba(240, 244, 250, .66);
  --foto-3: rgba(240, 244, 250, .76);
  --brilho: rgba(225, 29, 72, .08);
  --hero-glow: rgba(225, 29, 72, .08);

  --header-bg: rgba(255, 255, 255, .74);
  --menu-bg: rgba(255, 255, 255, .98);
  --footer-bg: rgba(255, 255, 255, .72);
  --input-bg: rgba(255, 255, 255, .78);
  --section-alt: rgba(255, 255, 255, .30);
  --hero-1: rgba(240, 244, 250, .94);
  --hero-2: rgba(240, 244, 250, .80);
  --hero-3: rgba(240, 244, 250, .58);
  --hero-v1: rgba(240, 244, 250, .55);
  --hero-v2: rgba(240, 244, 250, .10);
  --hero-v3: rgba(240, 244, 250, 0);
  --nome-glow: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .25s ease, color .25s ease;
}

/* ===== FOTO DE FUNDO EM TODA A PÁGINA (fixa, atrás de tudo) ===== */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, var(--foto-1) 0%, var(--foto-2) 45%, var(--foto-3) 100%),
    radial-gradient(900px 620px at 82% 6%, var(--brilho), transparent 62%),
    url('../assets/fundo.jpg') 52% 6% / cover no-repeat;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.grad {
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: 15px; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(90deg, var(--primary), var(--primary-2)); color: #04101f; box-shadow: 0 8px 20px rgba(47, 123, 255, .35); }
.btn-ghost { border-color: var(--line); background: var(--glass); backdrop-filter: var(--blur); color: var(--text); }
.btn-ghost:hover { border-color: var(--cyan-text); background: var(--glass-strong); }
.btn-whats { background: var(--whats); color: #06301a; }
.btn-lg { padding: 14px 24px; font-size: 16px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: background .25s ease;
}
.header-inner { display: flex; align-items: center; gap: 18px; height: 80px; }

/* Logo + nome da empresa (letras do cartão de visita) */
.brand { display: inline-flex; flex-direction: column; align-items: flex-start; gap: 0; }
.brand-logo { height: 30px; width: auto; display: block; }
.brand-nome {
  font-family: 'Orbitron', 'Michroma', 'Century Gothic', sans-serif;
  font-weight: 700;
  font-size: 11.5px; line-height: 1;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--text); opacity: .95;
  margin-top: 5px; padding-left: 1px;
  text-shadow: var(--nome-glow);
}
.logo-claro { display: none; }
html[data-tema="claro"] .logo-escuro { display: none; }
html[data-tema="claro"] .logo-claro { display: block; }

.brand-mark {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #04101f; padding: 6px 10px; border-radius: 10px; font-weight: 800; letter-spacing: .5px;
}
.brand-text { letter-spacing: .3px; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--muted); font-weight: 500; }
.nav a:hover { color: var(--text); }
.header-inner .btn-whats { padding: 9px 16px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); font-size: 24px; cursor: pointer; margin-left: auto; }

/* Botão Tela preta / Tela branca */
.tema-btn {
  display: grid; place-items: center;
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--glass-strong);
  backdrop-filter: var(--blur); color: var(--text);
  font-size: 17px; line-height: 1; cursor: pointer;
  transition: transform .15s ease, border-color .2s, background .2s;
}
.tema-btn:hover { transform: translateY(-2px); border-color: var(--cyan-text); }
.tema-btn .ico-claro { display: none; }
html[data-tema="claro"] .tema-btn .ico-escuro { display: none; }
html[data-tema="claro"] .tema-btn .ico-claro { display: inline; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 104px 0 96px;
  /* A foto vem do fundo fixo da página; aqui só escurecemos onde tem texto */
  background:
    linear-gradient(90deg, var(--hero-1) 0%, var(--hero-2) 48%, var(--hero-3) 100%),
    linear-gradient(180deg, var(--hero-v1) 0%, var(--hero-v2) 55%, var(--hero-v3) 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(700px 420px at 88% 14%, var(--hero-glow), transparent 62%);
  pointer-events: none;
}

.hero-inner { position: relative; display: block; max-width: 760px; }
.badge {
  display: inline-block; padding: 6px 14px; border: 1px solid var(--line);
  border-radius: 999px; font-size: 13px; color: var(--muted); background: var(--glass-strong); backdrop-filter: var(--blur);
}
.hero h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.1; margin: 16px 0 14px; letter-spacing: -.5px; }
.lead { color: var(--muted); font-size: 18px; max-width: 560px; }
.tags { color: var(--cyan-text); font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; font-size: 13px; margin: 6px 0 18px; }
.footer-art { border-radius: 10px; align-self: center; }
.footer-inner .brand-logo { margin-bottom: 6px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 18px; }
.hero-points { list-style: none; padding: 0; margin: 0; display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }

.hero-card { background: var(--glass-strong); backdrop-filter: var(--blur); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.hero-card-head { display: flex; align-items: center; gap: 8px; padding: 12px 14px; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.red { background: #ff5f57; } .dot.yellow { background: #febc2e; } .dot.green { background: #28c840; }
.hero-card-title { margin-left: 8px; font-size: 13px; color: var(--muted); font-weight: 600; }
.hero-card-body { padding: 18px; }
.hero-card-body p { margin: 8px 0; font-size: 14px; }
.ok { color: var(--ok-text); font-weight: 700; }
.bar { height: 10px; background: var(--bg-2); border-radius: 999px; overflow: hidden; margin-top: 14px; }
.bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary-2)); }

/* ---------- Seções ---------- */
.section { padding: 66px 0; }
.section-alt { background: var(--section-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 26px; }
.section-head h2 { font-size: clamp(26px, 3.5vw, 36px); margin: 0 0 10px; letter-spacing: -.4px; }
.section-head p { color: var(--muted); margin: 0; }

/* ---------- Grids e cards ---------- */
.grid { display: grid; gap: 13px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Caixa mais compacta, mas SEM mexer no tamanho das letras e dos desenhos */
.card {
  background: var(--glass);
  border: 1px solid var(--tile-line); border-radius: var(--radius);
  padding: 13px 15px; transition: transform .18s ease, border-color .18s ease, background .2s ease;
}
.card:hover { background: var(--glass-strong); }
.card:hover { transform: translateY(-4px); border-color: var(--primary); }
.card-icon { font-size: 30px; line-height: 1.1; margin-bottom: 3px; }
.card h3 { margin: 1px 0 4px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.feature { background: var(--glass); border: 1px solid var(--tile-line); border-radius: var(--radius); padding: 11px 14px; }
.feature-num { font-size: 26px; font-weight: 800; line-height: 1.1; background: linear-gradient(90deg, var(--primary), var(--primary-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.feature h4 { margin: 2px 0 3px; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; }

.quote { margin: 0; background: var(--glass); border: 1px solid var(--tile-line); border-radius: var(--radius); padding: 22px; }
.quote p { font-size: 16px; font-style: italic; }
.quote footer { color: var(--muted); font-size: 14px; margin-top: 10px; }
.stars { color: #ffb400; letter-spacing: 2px; font-size: 15px; margin-bottom: 6px; }
.reviews-head { display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap; margin-bottom: 26px; }
.rating-badge { display: inline-flex; align-items: center; gap: 10px; background: var(--glass-strong); backdrop-filter: var(--blur); border: 1px solid var(--line); border-radius: 999px; padding: 10px 18px; }
.rating-num { font-size: 22px; font-weight: 800; }
.rating-stars { color: #ffb400; letter-spacing: 2px; }
.rating-count { color: var(--muted); font-size: 13px; }
.req { color: var(--primary); font-weight: 800; }
.socials { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.social-link { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line); background: var(--glass-strong); backdrop-filter: var(--blur); color: var(--text); transition: transform .15s ease, border-color .2s, color .2s; }
.social-link:hover { transform: translateY(-3px); border-color: var(--primary); color: var(--cyan-text); }
.socials-aviso { margin: 8px 0 0; font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--cyan-text); }
.contact-form label .form-note { font-weight: 400; }

/* ---------- Contato ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info h2 { font-size: clamp(24px, 3vw, 32px); margin-top: 0; }
.contact-list { list-style: none; padding: 0; margin: 18px 0 24px; }
.contact-list li { padding: 10px 0; border-bottom: 1px dashed var(--line); color: var(--muted); }
.contact-list b { color: var(--text); }
.contact-list a { color: var(--cyan-text); }

.contact-form { background: var(--glass-strong); backdrop-filter: var(--blur); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: grid; gap: 14px; }
.contact-form label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
.contact-form input, .contact-form select, .contact-form textarea {
  font: inherit; color: var(--text); background: var(--input-bg); border: 1px solid var(--line);
  border-radius: 10px; padding: 11px 12px; width: 100%;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--muted); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--cyan-text); box-shadow: 0 0 0 3px rgba(34,211,238,.18);
}
.form-note { font-size: 12px; color: var(--muted); margin: 0; }
.form-status { padding: 12px; border-radius: 10px; font-size: 14px; display: none; }
.form-status.ok { display: block; background: rgba(52,211,153,.14); border: 1px solid var(--ok); color: var(--ok-text); }
.form-status.err { display: block; background: rgba(255,95,87,.12); border: 1px solid #ff5f57; color: var(--err-text); }

/* ---------- Footer ---------- */
.site-footer { padding: 34px 0; border-top: 1px solid var(--line); background: var(--footer-bg); backdrop-filter: var(--blur); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.site-footer p { margin: 4px 0; font-size: 13px; }

/* ---------- WhatsApp flutuante ---------- */
.whats-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--whats); color: #06301a;
  display: grid; place-items: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, .5);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 10px 25px rgba(37,211,102,.5); }
  50% { box-shadow: 0 10px 25px rgba(37,211,102,.5), 0 0 0 10px rgba(37,211,102,.12); }
}

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav {
    position: absolute; top: 80px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--menu-bg);
    border-bottom: 1px solid var(--line); padding: 8px 20px; display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: block; }
  .header-inner .btn-whats { display: none; }
  .header-inner { gap: 12px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .hero { padding: 44px 0 40px; }
  .section { padding: 52px 0; }
}

/* ===================== VERSÃO DO SISTEMA (evolução) ===================== */
.versao-linha{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.versao-tag{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11px;font-weight:700;
  letter-spacing:.04em;color:var(--primary-2);border:1px solid rgba(111,211,232,.45);background:rgba(111,211,232,.08)}
.versao-ver{background:none;border:0;color:var(--muted);font-size:11px;text-decoration:underline;cursor:pointer;
  font-family:inherit;padding:0}
.versao-ver:hover{color:var(--text)}
.modal-versao{position:fixed;inset:0;background:rgba(3,7,15,.80);display:flex;align-items:center;justify-content:center;
  z-index:9999;padding:20px}
.modal-versao[hidden]{display:none}
.modal-versao-caixa{background:var(--surface);border:1px solid var(--line);border-radius:16px;max-width:560px;width:100%;
  max-height:82vh;overflow:auto;padding:26px 26px 20px;position:relative;box-shadow:0 24px 70px rgba(0,0,0,.6);
  backdrop-filter:var(--blur)}
.modal-versao-caixa h3{margin:0 0 6px;color:var(--text)}
.modal-fechar{position:absolute;top:8px;right:14px;background:none;border:0;color:var(--muted);font-size:26px;
  line-height:1;cursor:pointer}
.modal-fechar:hover{color:var(--text)}
.lista-versao{list-style:none;padding:0;margin:14px 0 0}
.lista-versao li{border-left:3px solid var(--primary);padding:8px 10px 10px 12px;margin-bottom:10px;
  background:rgba(255,255,255,.03);border-radius:0 10px 10px 0;color:var(--text)}
.lista-versao .quando{color:var(--muted);font-size:12px;margin-left:6px}
.lista-versao .o-que{color:var(--muted);font-size:13px}
.modal-versao .pequeno{font-size:12px;margin-top:12px}