:root {
  --bem-green: #7ee787;
  --bem-cyan: #55d6ff;
  --bem-blue: #2879d8;
  --bem-ink: #07111f;
}

.bem-page {
  max-width: 1240px;
}

.bem-site-header {
  border-bottom-color: rgba(85, 214, 255, 0.22);
}

.bem-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  min-height: 650px;
  padding: clamp(3rem, 8vw, 7rem) clamp(1.25rem, 5vw, 5rem);
  margin: 1rem 0 5rem;
  overflow: hidden;
  border: 1px solid rgba(85, 214, 255, 0.18);
  border-radius: 32px;
  background:
    radial-gradient(circle at 85% 20%, rgba(40, 121, 216, 0.22), transparent 36%),
    radial-gradient(circle at 12% 90%, rgba(126, 231, 135, 0.12), transparent 35%),
    linear-gradient(145deg, rgba(8, 21, 39, 0.98), rgba(3, 8, 18, 0.98));
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.35);
}

.bem-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(85, 214, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85, 214, 255, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 70% 40%, black, transparent 70%);
}

.bem-hero-copy,
.bem-icon-stage {
  position: relative;
  z-index: 1;
}

.bem-eyebrow {
  margin: 0 0 1rem;
  color: var(--bem-green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.bem-hero h1 {
  max-width: 760px;
  margin: 0;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 5.8vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.bem-lead {
  max-width: 720px;
  margin: 1.75rem 0 0;
  color: #c9d8eb;
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  line-height: 1.75;
}

.bem-lead strong {
  color: #fff;
}

.bem-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.bem-actions a,
.bem-creator a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.3rem;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.bem-actions a:hover,
.bem-creator a:hover {
  transform: translateY(-2px);
}

.bem-primary-action {
  color: #04101c;
  background: linear-gradient(135deg, var(--bem-green), var(--bem-cyan));
  box-shadow: 0 12px 32px rgba(85, 214, 255, 0.2);
}

.bem-secondary-action {
  color: #e8f6ff;
  border: 1px solid rgba(85, 214, 255, 0.38);
  background: rgba(255, 255, 255, 0.035);
}

.bem-status-note {
  max-width: 680px;
  margin: 1rem 0 0;
  color: #8295ad;
  font-size: 0.78rem;
  line-height: 1.5;
}

.bem-icon-stage {
  display: flex;
  min-height: 420px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.bem-icon-stage img {
  position: relative;
  z-index: 2;
  width: min(290px, 70vw);
  height: auto;
  filter: drop-shadow(0 30px 45px rgba(0, 0, 0, 0.46)) drop-shadow(0 0 24px rgba(85, 214, 255, 0.18));
  animation: bem-float 5s ease-in-out infinite;
}

.bem-icon-stage > span {
  position: relative;
  z-index: 2;
  margin-top: 1rem;
  color: #b8cae0;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-align: center;
}

.bem-signal-ring {
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(85, 214, 255, 0.28);
  border-radius: 50%;
  animation: bem-signal 3.6s ease-out infinite;
}

.bem-signal-ring.ring-two {
  animation-delay: 1.8s;
}

@keyframes bem-float {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-12px) rotate(1deg); }
}

@keyframes bem-signal {
  0% { opacity: 0.7; transform: scale(0.65); }
  100% { opacity: 0; transform: scale(1.25); }
}

.bem-section {
  margin: 5rem 0;
}

.bem-section-heading {
  max-width: 800px;
  margin-bottom: 2rem;
}

.bem-section h2,
.bem-creator h2,
.bem-safety-notice h2 {
  margin: 0;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.9rem, 4vw, 3.4rem);
  line-height: 1.08;
}

.bem-section-heading > p:last-child,
.bem-config-section > div > p:last-child,
.bem-creator p {
  color: #aabbd0;
  line-height: 1.75;
}

.bem-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.bem-flow li,
.bem-audience-grid article {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(85, 214, 255, 0.15);
  border-radius: 22px;
  background: linear-gradient(155deg, rgba(15, 33, 57, 0.8), rgba(5, 13, 26, 0.92));
}

.bem-flow li {
  min-height: 250px;
  padding: 1.5rem;
}

.bem-flow li > span {
  display: block;
  margin-bottom: 3.5rem;
  color: rgba(85, 214, 255, 0.5);
  font-size: 2.5rem;
  font-weight: 900;
}

.bem-flow h3,
.bem-audience-grid h3 {
  margin: 0 0 0.65rem;
  color: #fff;
  font-size: 1rem;
}

.bem-flow p,
.bem-audience-grid p {
  margin: 0;
  color: #9eb0c6;
  font-size: 0.88rem;
  line-height: 1.65;
}

.bem-audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.bem-audience-grid article {
  min-height: 190px;
  padding: 1.7rem;
}

.bem-audience-grid article > span {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 1.35rem;
  border: 1px solid rgba(126, 231, 135, 0.35);
  border-radius: 50%;
  color: var(--bem-green);
  background: rgba(126, 231, 135, 0.06);
}

.bem-config-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
  align-items: start;
  padding: clamp(1.5rem, 5vw, 4rem);
  border: 1px solid rgba(126, 231, 135, 0.16);
  border-radius: 28px;
  background: linear-gradient(140deg, rgba(11, 29, 43, 0.92), rgba(5, 13, 25, 0.95));
}

.bem-checklist {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.bem-checklist li {
  position: relative;
  padding: 1rem 1rem 1rem 3rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  color: #c8d8e9;
  background: rgba(255, 255, 255, 0.025);
}

.bem-checklist li::before {
  content: "✓";
  position: absolute;
  left: 1rem;
  color: var(--bem-green);
  font-weight: 900;
}

.bem-safety-notice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  margin: 5rem 0;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid rgba(255, 191, 92, 0.28);
  border-radius: 24px;
  background: rgba(75, 48, 8, 0.16);
}

.bem-notice-icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  color: #07111f;
  background: #ffc76a;
  font-weight: 900;
}

.bem-safety-notice h2 {
  font-size: clamp(1.35rem, 2.5vw, 2rem);
}

.bem-safety-notice p {
  margin: 0.85rem 0 0;
  color: #d8c9af;
  line-height: 1.7;
}

.bem-faq details {
  margin: 0.75rem 0;
  border: 1px solid rgba(85, 214, 255, 0.14);
  border-radius: 16px;
  background: rgba(8, 20, 38, 0.72);
}

.bem-faq summary {
  cursor: pointer;
  padding: 1.2rem 1.35rem;
  color: #eef8ff;
  font-weight: 750;
}

.bem-faq details p {
  margin: 0;
  padding: 0 1.35rem 1.35rem;
  color: #a9bbce;
  line-height: 1.7;
}

.bem-creator {
  display: flex;
  gap: 2rem;
  align-items: end;
  justify-content: space-between;
  margin: 5rem 0 2rem;
  padding: clamp(1.5rem, 5vw, 4rem);
  border-radius: 28px;
  background:
    radial-gradient(circle at 95% 15%, rgba(223, 172, 87, 0.18), transparent 28%),
    linear-gradient(145deg, rgba(21, 25, 48, 0.96), rgba(8, 12, 26, 0.98));
}

.bem-creator > div {
  max-width: 780px;
}

.bem-creator a {
  flex: 0 0 auto;
  color: #07111f;
  background: linear-gradient(135deg, #f7d38d, #dfac57);
}

@media (max-width: 900px) {
  .bem-hero,
  .bem-config-section {
    grid-template-columns: 1fr;
  }

  .bem-icon-stage {
    min-height: 330px;
  }

  .bem-flow {
    grid-template-columns: repeat(2, 1fr);
  }

  .bem-creator {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .bem-hero {
    min-height: 0;
    padding: 2.2rem 1.25rem;
    border-radius: 22px;
  }

  .bem-hero h1 {
    font-size: clamp(2.35rem, 13vw, 3.7rem);
  }

  .bem-flow,
  .bem-audience-grid {
    grid-template-columns: 1fr;
  }

  .bem-flow li {
    min-height: 0;
  }

  .bem-flow li > span {
    margin-bottom: 1.5rem;
  }

  .bem-safety-notice {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bem-icon-stage img,
  .bem-signal-ring {
    animation: none;
  }
}