* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.18);
  --text: #f5f5f7;
  --text-muted: rgba(245, 245, 247, 0.7);
  --accent: #039dfc;   /* azul da marca */
  --accent-2: #5cc4ff; /* azul claro */
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: #000;
  color: var(--text);
  min-height: 100vh;
}

/* ---------- Fundo ---------- */
.bg-grid {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  display: block;
}

/* ---------- Navbar (glassmorphism) ---------- */
.navbar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 1200px;
  height: 68px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  z-index: 100;

  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 500;
  white-space: nowrap;
}
.logo strong { font-weight: 700; }
.logo strong { color: var(--accent-2); }
.logo-mark {
  height: 30px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links > a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 10px;
  transition: color .2s, background .2s;
}
.nav-links > a:hover,
.nav-links > a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
}

/* ---------- Botões de cadastro ---------- */
.nav-auth { display: flex; align-items: center; gap: 10px; }
.nav-auth-mobile { display: none; }

.btn {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 12px;
  white-space: nowrap;
  transition: transform .15s, background .2s, box-shadow .2s, border-color .2s;
}
.btn:active { transform: scale(0.97); }

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.04);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.btn-primary:hover { filter: brightness(1.08); }

/* ---------- Menu mobile ---------- */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .navbar > .nav-auth { display: none; }
  .menu-toggle { display: flex; }

  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: rgba(20, 20, 35, 0.55);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .25s, transform .25s;
  }
  .nav-links.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .nav-auth-mobile {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--glass-border);
  }
  .nav-auth-mobile .btn { text-align: center; }
}

/* ---------- Conteúdo de exemplo ---------- */
.hero {
  padding: 180px 24px 0;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 5.5vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 900px;
  margin: 0 auto 20px;
}
.hero .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  color: var(--text-muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.6;
  max-width: 620px;
  margin: 0 auto 32px;
}
.btn-lg {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.05rem;
  padding: 14px 28px;
  border-radius: 14px;
}
.btn-lg span { transition: transform .2s; }
.btn-lg:hover span { transform: translateX(4px); }