:root {
  --bg-1: #081933;
  --bg-2: #0c2d5b;
  --bg-3: #2c6cb5;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.99);
  --line: rgba(255, 255, 255, 0.28);
  --button-start: rgba(104, 164, 255, 0.48);
  --button-end: rgba(82, 140, 233, 0.78);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}


body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', sans-serif;
  color: var(--text);

  background:
    radial-gradient(circle at top center, rgba(60, 120, 220, 0.35), transparent 30%),
    radial-gradient(circle at bottom center, rgba(40, 90, 180, 0.18), transparent 35%),
    linear-gradient(
      180deg,
      #2f5fa8 0%,
      #163f7a 18%,
      #081a33 50%,
      #0e3a75 82%,
      #2f5fa8 100%
    );

  position: relative;
  overflow-x: hidden;
}

.page-glow {
  position: fixed;
  inset: auto;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  opacity: 0.32;
  z-index: 0;
}

.glow-left {
  top: 120px;
  left: -180px;
  background: #1b65ff;
}

.glow-right {
  bottom: 100px;
  right: -180px;
  background: #6da8ff;
}

.container {
  position: relative;
  z-index: 1;
  width: min(100%, 620px);
  margin: 0 auto;
  padding: 18px 18px 30px;
}

.hero,
.section-block {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo-badge,
.footer-logo {
  display: flex;
  justify-content: center;
}

.logo-circle {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
}

.logo-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

h1 {
  margin: 18px 0 0;
  text-align: center;
  font-size: clamp(26px, 4.3vw, 38px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  max-width: 560px;
}

.subtitle,
.description,
.benefits li,
.who-knows p {
  color: var(--muted);
}

.subtitle {
  margin: 0;
  text-align: center;
  font-size: 18px;
  line-height: 1.6;
  max-width: 530px;
}

.image-card {
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.06);
}

.image-card img,
.phone-shot img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.large-image {
  margin-top: 8px;
}

.description {
  margin: 0 0 18px;
  text-align: center;
  font-size: 18px;
  line-height: 1.6;
  max-width: 570px;
}

.cta-btn {
  width: 100%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 60px;
  padding: 18px 24px;
  border-radius: 999px;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--button-start), var(--button-end));
  box-shadow: 0 10px 30px rgba(71, 133, 228, 0.28);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.cta-text {
  position: relative;
  z-index: 2;
  text-shadow: 0 0 6px rgba(255,255,255,0.6),
               0 0 12px rgba(0,200,255,0.6);
}

.pulse {
  animation: heartbeat 3s infinite;
}

.shine::after {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 50%;
  height: 100%;
  transform: skewX(-20deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.7), transparent);
  animation: shine 2.7s infinite;
}

.decor {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 10px 0;
  opacity: 0.8;
  width: 100%;
  align-self: stretch;
}

.decor span {
  flex: 1 1 auto;
  height: 1px;
  max-width: 100px;
  min-width: 40px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(255,255,255,0.6),
    transparent
  );
}

.decor i {
  font-style: normal;
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  transform: translateY(-1px);
  animation: floatArrow 2s infinite ease-in-out;
}

.benefits {
  width: 100%;
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.benefits li {
  display: flex;
  align-items: center;
  gap: 16px;
  color: #fff;
  font-size: 18px;
  line-height: 1.5;
}

.icon {
  width: 24px;
  flex: 0 0 24px;
  text-align: center;
  font-size: 28px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.95);
}

.bot-preview {
  padding-bottom: 14px;
}

.phone-shot {
  width: min(100%, 540px);
  display: flex;
  justify-content: center;
}

.phone-shot img {
  width: 100%;
  max-width: 540px;
}

.who-knows {
  text-align: center;
  margin-bottom: 16px;
}

.who-knows h2 {
  margin: 0 0 6px;
  font-size: 28px;
  font-weight: 700;
}

.who-knows p {
  margin: 0;
  font-size: 18px;
  line-height: 1.55;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

@keyframes shine {
  0% { left: -120%; }
  100% { left: 140%; }
}

@keyframes heartbeat {
  0% {
    transform: scale(1);
  }
  10% {
    transform: scale(1.08);
  }
  20% {
    transform: scale(1);
  }
  30% {
    transform: scale(1.08);
  }
  70% {
    transform: scale(1);
  }
  100% {
    transform: scale(1);
  }
}

/* Анимация лёгкого "дыхания" */
@keyframes floatArrow {
  0%, 100% {
    transform: translateY(-1px);
    opacity: 0.7;
  }
  50% {
    transform: translateY(3px);
    opacity: 1;
  }
}


@media (max-width: 640px) {
  .container {
    padding: 18px 14px 30px;
  }

  h1 {
    font-size: 22px;
  }

  .subtitle,
  .description,
  .benefits li,
  .who-knows p {
    font-size: 16px;
  }

  .cta-btn {
    min-height: 56px;
    font-size: 15px;
  }

  .who-knows h2 {
    font-size: 24px;
  }

  .decor span {
    width: 70px;
  }
}