:root {
  color-scheme: dark;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  --green: #43ee74;
  --green-bright: #7dffa4;
  --green-deep: #0f7a35;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: #020202;
}

.hero {
  align-items: center;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(20, 20, 22, 0.9), transparent 60%),
    linear-gradient(160deg, #050505 0%, #04120a 45%, #02140a 100%);
  display: flex;
  justify-content: center;
  min-height: 100vh;
  overflow: hidden;
  padding: 2rem;
  position: relative;
}

/* Brilho verde em degradê */
.aurora {
  animation: drift 14s ease-in-out infinite;
  background:
    radial-gradient(circle at 50% 50%, rgba(67, 238, 116, 0.5), transparent 45%),
    radial-gradient(circle at 30% 30%, rgba(127, 255, 164, 0.25), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(15, 122, 53, 0.35), transparent 50%);
  filter: blur(60px);
  height: 70vmax;
  inset: 0;
  margin: auto;
  position: absolute;
  width: 70vmax;
}

@keyframes drift {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(4%, -3%) scale(1.12);
  }
}

/* Grade sutil brilhante */
.grid-overlay {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  inset: 0;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 75%);
  mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 75%);
  position: absolute;
}

/* Conteúdo integrado ao fundo (sem cartão) */
.card {
  align-items: center;
  display: flex;
  flex-direction: column;
  position: relative;
  text-align: center;
  z-index: 1;
}

.brand {
  background: linear-gradient(
    180deg,
    #ffffff 0%,
    #dfe4e1 25%,
    #98a09d 50%,
    #dfe4e1 75%,
    #ffffff 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.42em;
  margin: 0 0 2.2rem;
  opacity: 0.9;
  position: relative;
  text-transform: uppercase;
}

h1 {
  background:
    radial-gradient(circle at 50% 120%, rgba(255, 255, 255, 0.35), transparent 60%),
    linear-gradient(
      180deg,
      #ffffff 0%,
      #dfe4e1 16%,
      #98a09d 35%,
      #ffffff 50%,
      #98a09d 65%,
      #dfe4e1 84%,
      #ffffff 100%
    );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: clamp(3.6rem, 12vw, 8.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.92;
  margin: 0;
  position: relative;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.75)) drop-shadow(0 2px 6px rgba(255, 255, 255, 0.12));
}

.divider {
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  height: 1px;
  margin: 2.2rem auto;
  position: relative;
  width: min(240px, 60%);
}

.subtitle {
  color: rgba(240, 255, 245, 0.72);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  margin: 0;
  position: relative;
}

/* Globo estilo Cloudflare */
.globe {
  margin: 0 0 1.6rem;
  position: relative;
  width: clamp(56px, 10vw, 84px);
}

.globe svg {
  display: block;
  filter: drop-shadow(0 0 14px rgba(67, 238, 116, 0.45));
  stroke: var(--green);
  stroke-linecap: round;
  stroke-width: 2.5;
  width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .aurora {
    animation: none;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 1.25rem;
  }
}
