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

body {
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top, #192c60, #080b16 55%, #05060a);
  color: white;
  min-height: 100vh;
}

.nav {
  width: min(1120px, 92%);
  margin: 0 auto;
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
}

.logo span {
  color: #25d8ff;
}

.nav a {
  color: #cfd8ff;
  text-decoration: none;
  margin-left: 24px;
  font-size: 0.95rem;
}

.hero {
  width: min(1120px, 92%);
  margin: 50px auto 90px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.eyebrow {
  color: #25d8ff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(3rem, 7vw, 6.8rem);
  line-height: 0.95;
  margin-bottom: 24px;
}

.subtitle {
  color: #cfd8ff;
  font-size: 1.2rem;
  max-width: 560px;
  line-height: 1.6;
}

.buttons {
  margin-top: 34px;
  display: flex;
  gap: 14px;
}

.btn {
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.primary {
  background: #25d8ff;
  color: #05111e;
}

.secondary {
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
}

.phone-card {
  width: min(390px, 100%);
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(20px);
  border-radius: 38px;
  padding: 26px;
  min-height: 600px;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0,0,0,0.35);
}

.phone-top {
  width: 90px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.25);
  margin: 0 auto 38px;
}

.phone-card h2 {
  font-size: 2rem;
  margin-bottom: 8px;
}

#status {
  color: #cfd8ff;
  margin-bottom: 34px;
}

.listen-button {
  width: 190px;
  height: 190px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: linear-gradient(145deg, #25d8ff, #0077ff);
  box-shadow: 0 0 0 0 rgba(37,216,255,0.55), 0 20px 50px rgba(0,119,255,0.35);
  transition: transform 0.2s ease;
}

.listen-button:hover {
  transform: scale(1.04);
}

.listen-button span {
  display: block;
  width: 58px;
  height: 58px;
  background: white;
  border-radius: 50%;
  margin: auto;
}

.listening {
  animation: pulse 1.2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,216,255,0.6); }
  70% { box-shadow: 0 0 0 34px rgba(37,216,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,216,255,0); }
}

.wave {
  height: 70px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 7px;
  margin: 28px 0;
  opacity: 0.25;
}

.wave.active {
  opacity: 1;
}

.wave i {
  width: 7px;
  height: 20px;
  background: #25d8ff;
  border-radius: 999px;
}

.wave.active i {
  animation: bounce 0.7s infinite alternate;
}

.wave i:nth-child(2) { animation-delay: 0.1s; }
.wave i:nth-child(3) { animation-delay: 0.2s; }
.wave i:nth-child(4) { animation-delay: 0.3s; }
.wave i:nth-child(5) { animation-delay: 0.4s; }

@keyframes bounce {
  from { height: 18px; }
  to { height: 62px; }
}

.result {
  text-align: left;
  background: rgba(0,0,0,0.25);
  border-radius: 24px;
  padding: 22px;
}

.hidden {
  display: none;
}

.tag {
  color: #25d8ff;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.result h3 {
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.result p {
  color: #dce5ff;
  line-height: 1.5;
}

.risk, .cost {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  color: #cfd8ff;
}

.risk strong, .cost strong {
  color: white;
}

.section {
  width: min(1120px, 92%);
  margin: 80px auto;
}

.section h2 {
  font-size: 2.5rem;
  margin-bottom: 28px;
}

.steps, .feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.steps div, .feature-grid article {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  padding: 26px;
  border-radius: 24px;
}

.steps strong {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #25d8ff;
  color: #06111f;
  margin-bottom: 18px;
}

.steps h3 {
  margin-bottom: 10px;
}

.steps p {
  color: #cfd8ff;
  line-height: 1.5;
}

.feature-grid {
  grid-template-columns: repeat(4, 1fr);
}

footer {
  text-align: center;
  color: #8e9ac6;
  padding: 40px;
}

@media (max-width: 850px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    gap: 18px;
    flex-direction: column;
  }

  .nav a {
    margin-left: 0;
    margin-right: 16px;
  }

  .steps, .feature-grid {
    grid-template-columns: 1fr;
  }
}