/* ============================================================================
   Tecsystemit — estilos do site público
   Paleta tirada da logomarca: azul-marinho + ciano do globo.
   Tema claro/escuro via [data-bs-theme] + variáveis CSS.
   ========================================================================== */

:root {
  --brand-navy:   #1f3a68;
  --brand-navy-d: #16294a;
  --brand-cyan:   #29a3dc;
  --brand-cyan-l: #4fc3f7;
  --brand-grad:   linear-gradient(135deg, #1f3a68 0%, #245197 45%, #29a3dc 100%);

  --ts-radius: 16px;
  --ts-shadow: 0 18px 40px -18px rgba(16, 33, 61, .35);
  --ts-shadow-sm: 0 8px 24px -12px rgba(16, 33, 61, .25);
  --ts-ease: cubic-bezier(.22, 1, .36, 1);
}

/* ---- Tema claro (padrão) -------------------------------------------------- */
[data-bs-theme="light"] {
  --ts-bg:        #ffffff;
  --ts-bg-alt:    #f4f7fb;
  --ts-bg-soft:   #eef3f9;
  --ts-text:      #1f2733;
  --ts-text-mut:  #5b6676;
  --ts-border:    #e4e9f1;
  --ts-card:      #ffffff;
  --bs-body-bg:   #ffffff;
  --bs-body-color:#1f2733;
  --bs-primary:   #1f3a68;
}

/* ---- Tema escuro ------------------------------------------------------------ */
[data-bs-theme="dark"] {
  --ts-bg:        #0e1726;
  --ts-bg-alt:    #131f33;
  --ts-bg-soft:   #182740;
  --ts-text:      #e8eef7;
  --ts-text-mut:  #9fb0c7;
  --ts-border:    #24354f;
  --ts-card:      #16233a;
  --brand-navy:   #24467e;
  --bs-body-bg:   #0e1726;
  --bs-body-color:#e8eef7;
  --bs-primary:   #4fc3f7;
  --ts-shadow:    0 18px 44px -20px rgba(0, 0, 0, .7);
}

* { scroll-behavior: smooth; }

body {
  background: var(--ts-bg);
  color: var(--ts-text);
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  overflow-x: hidden;
}

h1, h2, h3, h4, .display-5, .display-6 { font-weight: 700; letter-spacing: -.01em; }
.text-mut { color: var(--ts-text-mut) !important; }
.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }
.section-alt { background: var(--ts-bg-alt); }
.container-tight { max-width: 960px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--brand-cyan);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--brand-cyan); display: inline-block; }

/* ---- Navbar -------------------------------------------------------------- */
.navbar.ts-nav {
  background: color-mix(in srgb, var(--ts-bg) 88%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: padding .3s var(--ts-ease), background .3s var(--ts-ease), border-color .3s var(--ts-ease);
  padding-top: 1rem; padding-bottom: 1rem;
}
.navbar.ts-nav.is-stuck {
  border-color: var(--ts-border);
  box-shadow: var(--ts-shadow-sm);
  padding-top: .5rem; padding-bottom: .5rem;
}
.navbar.ts-nav .navbar-brand img { height: 38px; width: auto; transition: height .3s var(--ts-ease); }
.navbar.ts-nav.is-stuck .navbar-brand img { height: 32px; }
/* a logo tem tipografia azul-marinho: no tema escuro fica ilegível sobre o fundo,
   então recebe um "chip" branco discreto em ambos os temas */
[data-bs-theme="dark"] .navbar.ts-nav .navbar-brand,
[data-bs-theme="dark"] .site-footer img,
[data-bs-theme="dark"] .hero + * .navbar-brand {
  background: #fff; border-radius: 10px; padding: 6px 12px;
}
[data-bs-theme="dark"] .site-footer img { padding: 8px 12px; }
.navbar.ts-nav .nav-link {
  font-weight: 600; color: var(--ts-text-mut); position: relative; padding-inline: .95rem;
}
.navbar.ts-nav .nav-link:hover,
.navbar.ts-nav .nav-link.active { color: var(--ts-text); }
.navbar.ts-nav .nav-link.active::after {
  content: ""; position: absolute; left: .95rem; right: .95rem; bottom: 2px; height: 2px;
  background: var(--brand-cyan); border-radius: 2px;
}

.theme-toggle {
  --sz: 40px;
  width: var(--sz); height: var(--sz); border-radius: 50%;
  display: inline-grid; place-items: center;
  border: 1px solid var(--ts-border); background: var(--ts-card); color: var(--ts-text);
  transition: transform .25s var(--ts-ease), background .25s;
}
.theme-toggle:hover { transform: rotate(-18deg); color: var(--brand-cyan); }

/* ---- Hero -------------------------------------------------------------- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(7rem, 16vw, 11rem) 0 clamp(4rem, 9vw, 7rem);
  background: var(--ts-bg);
}
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto auto; width: 70vw; height: 70vw;
  background: radial-gradient(circle at 30% 30%, rgba(41,163,220,.28), transparent 60%);
  filter: blur(10px); z-index: 0; pointer-events: none;
}
[data-bs-theme="dark"] .hero::before { background: radial-gradient(circle at 30% 30%, rgba(41,163,220,.22), transparent 62%); }
.hero > .container { position: relative; z-index: 1; }
.hero-badge {
  display: inline-block; padding: .45rem .9rem; border-radius: 999px;
  background: color-mix(in srgb, var(--brand-cyan) 14%, transparent);
  color: var(--brand-cyan); font-weight: 600; font-size: .85rem; margin-bottom: 1.25rem;
  border: 1px solid color-mix(in srgb, var(--brand-cyan) 30%, transparent);
}
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.08; }
.hero h1 .grad {
  background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lead { font-size: clamp(1.05rem, 2.2vw, 1.25rem); color: var(--ts-text-mut); max-width: 34ch; }

.hero-art {
  position: relative; aspect-ratio: 1; border-radius: 50%;
  background: var(--brand-grad);
  box-shadow: 0 40px 90px -30px rgba(41,163,220,.55);
  display: grid; place-items: center;
  animation: floaty 6s ease-in-out infinite;
}
.hero-art::after {
  content: ""; position: absolute; inset: 8%;
  border: 2px dashed rgba(255,255,255,.35); border-radius: 50%;
  animation: spin 26s linear infinite;
}
.hero-art .bi { font-size: clamp(4rem, 12vw, 7rem); color: #fff; filter: drop-shadow(0 8px 20px rgba(0,0,0,.25)); }
@keyframes floaty { 50% { transform: translateY(-16px); } }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .hero-art, .hero-art::after { animation: none; }
}

.stat-strip {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.75rem;
}
.stat-strip .num { font-size: clamp(1.5rem, 4vw, 2.1rem); font-weight: 800; color: var(--brand-cyan); line-height: 1; }
.stat-strip .lbl { font-size: .85rem; color: var(--ts-text-mut); }

/* ---- Cards de serviço -------------------------------------------------- */
.svc-card {
  height: 100%; background: var(--ts-card); border: 1px solid var(--ts-border);
  border-radius: var(--ts-radius); padding: 1.6rem 1.5rem;
  transition: transform .3s var(--ts-ease), box-shadow .3s var(--ts-ease), border-color .3s;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--ts-shadow); border-color: color-mix(in srgb, var(--brand-cyan) 45%, var(--ts-border)); }
.svc-ico {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--brand-cyan) 14%, transparent); color: var(--brand-cyan);
  font-size: 1.5rem; margin-bottom: 1rem;
}
.svc-card h3 { font-size: 1.12rem; margin-bottom: .4rem; }
.svc-card p { color: var(--ts-text-mut); font-size: .95rem; margin: 0; }

/* ---- Sobre ----------------------------------------------------------- */
.about-card {
  background: var(--ts-card); border: 1px solid var(--ts-border); border-radius: var(--ts-radius);
  box-shadow: var(--ts-shadow-sm);
}
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; text-align: center; }
.about-stats .num { font-size: 1.7rem; font-weight: 800; color: var(--brand-cyan); }
.about-stats .lbl { font-size: .8rem; color: var(--ts-text-mut); }

/* ---- Logos clientes / parceiros ------------------------------------- */
.logo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 1rem; }
.logo-cell {
  background: var(--ts-card); border: 1px solid var(--ts-border); border-radius: 14px;
  aspect-ratio: 16 / 9; display: grid; place-items: center; padding: 1.1rem;
  transition: transform .25s var(--ts-ease), box-shadow .25s;
}
.logo-cell:hover { transform: translateY(-4px); box-shadow: var(--ts-shadow-sm); }
.logo-cell img {
  max-width: 100%; max-height: 100%; object-fit: contain;
  filter: grayscale(1); opacity: .7; transition: filter .3s, opacity .3s;
}
.logo-cell:hover img { filter: grayscale(0); opacity: 1; }
[data-bs-theme="dark"] .logo-cell { background: #fff; }

/* ---- Faixa CTA ----------------------------------------------------- */
.cta-band { background: var(--brand-grad); color: #fff; border-radius: 0; }
.cta-band h2 { color: #fff; }
.cta-band .btn-light { color: var(--brand-navy); font-weight: 700; }

/* ---- Contato ----------------------------------------------------- */
.contact-wrap {
  background: var(--ts-card); border: 1px solid var(--ts-border);
  border-radius: var(--ts-radius); box-shadow: var(--ts-shadow-sm);
}
.form-control, .form-select {
  background: var(--ts-bg); border-color: var(--ts-border); color: var(--ts-text);
  padding: .7rem .9rem;
}
.form-control:focus, .form-select:focus {
  background: var(--ts-bg); color: var(--ts-text);
  border-color: var(--brand-cyan); box-shadow: 0 0 0 .25rem color-mix(in srgb, var(--brand-cyan) 22%, transparent);
}
.contact-info-item { display: flex; gap: .9rem; align-items: flex-start; }
.contact-info-item .bi {
  flex: none; width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--brand-cyan) 14%, transparent); color: var(--brand-cyan); font-size: 1.15rem;
}

/* ---- Botões ---------------------------------------------------- */
.btn-brand { background: var(--brand-cyan); border-color: var(--brand-cyan); color: #fff; font-weight: 600; }
.btn-brand:hover { background: #1c8ec2; border-color: #1c8ec2; color: #fff; }
.btn-outline-brand { border-color: var(--brand-cyan); color: var(--brand-cyan); font-weight: 600; }
.btn-outline-brand:hover { background: var(--brand-cyan); color: #fff; }
.btn { border-radius: 10px; padding-inline: 1.25rem; }
.btn-lg { padding: .8rem 1.6rem; }

/* ---- Footer -------------------------------------------------- */
.site-footer { background: var(--ts-bg-alt); border-top: 1px solid var(--ts-border); color: var(--ts-text-mut); }
.site-footer a { color: var(--ts-text-mut); text-decoration: none; }
.site-footer a:hover { color: var(--brand-cyan); }
.social-ico {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--ts-border); color: var(--ts-text-mut); transition: .25s var(--ts-ease);
}
.social-ico:hover { background: var(--brand-cyan); color: #fff; border-color: var(--brand-cyan); transform: translateY(-3px); }

/* ---- Flutuantes -------------------------------------------- */
.fab-wa {
  position: fixed; right: 20px; bottom: 20px; z-index: 1040;
  width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center;
  background: #25d366; color: #fff; font-size: 1.7rem; box-shadow: 0 12px 28px -8px rgba(37,211,102,.6);
  transition: transform .25s var(--ts-ease);
}
.fab-wa:hover { transform: scale(1.08); color: #fff; }
.to-top {
  position: fixed; right: 20px; bottom: 88px; z-index: 1040;
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--ts-border);
  background: var(--ts-card); color: var(--ts-text); display: grid; place-items: center;
  opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s var(--ts-ease);
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: translateY(-3px); color: var(--brand-cyan); }

/* ---- Reveal on scroll ------------------------------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ts-ease), transform .7s var(--ts-ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

@media (max-width: 575.98px) {
  .stat-strip, .about-stats { grid-template-columns: 1fr 1fr; }
}