body.page--home {
  background:
    radial-gradient(circle at top, rgba(45, 212, 191, 0.08), transparent 55%),
    #020617;
}

.page--home.froggy-mode {
  background:
    radial-gradient(
      circle at 20% 20%,
      rgba(56, 189, 248, 0.22),
      transparent 45%
    ),
    radial-gradient(
      circle at 72% 18%,
      rgba(45, 212, 191, 0.24),
      transparent 55%
    ),
    radial-gradient(
      circle at 28% 82%,
      rgba(236, 72, 153, 0.2),
      transparent 50%
    ),
    radial-gradient(
      circle at 60% 68%,
      rgba(34, 211, 238, 0.18),
      transparent 60%
    ),
    radial-gradient(
      circle at 10% 60%,
      rgba(129, 140, 248, 0.16),
      transparent 50%
    ),
    linear-gradient(135deg, rgba(8, 47, 73, 0.65), rgba(6, 78, 59, 0.65)),
    #01050f;
  background-attachment: fixed;
  transition: background 0.6s ease;
}

.page--home.alien-mode {
  background:
    radial-gradient(
      circle at 22% 18%,
      rgba(129, 140, 248, 0.28),
      transparent 45%
    ),
    radial-gradient(
      circle at 70% 20%,
      rgba(99, 102, 241, 0.26),
      transparent 53%
    ),
    radial-gradient(
      circle at 80% 75%,
      rgba(59, 130, 246, 0.22),
      transparent 55%
    ),
    radial-gradient(
      circle at 18% 72%,
      rgba(192, 38, 211, 0.2),
      transparent 50%
    ),
    radial-gradient(
      circle at 45% 50%,
      rgba(14, 165, 233, 0.18),
      transparent 60%
    ),
    linear-gradient(135deg, rgba(24, 24, 54, 0.75), rgba(10, 0, 45, 0.75)),
    #01000f;
  background-attachment: fixed;
  transition: background 0.6s ease;
}

.site-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.experience-toolbar {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 1rem;
  margin: 1.5rem auto 0;
  width: 100%;
  max-width: 640px;
}

.experience-toggle {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(45, 212, 191, 0.35);
  background: rgba(15, 23, 42, 0.75);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  flex: 0 1 50%;
  box-shadow: 0 12px 40px rgba(45, 212, 191, 0.2);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
  min-width: 0;
}

.experience-toggle:hover,
.experience-toggle:focus {
  transform: translateY(-3px);
  box-shadow: 0 20px 55px rgba(45, 212, 191, 0.3);
}

.experience-toggle img {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid rgba(45, 212, 191, 0.5);
}

.experience-toggle--alien {
  border-color: rgba(129, 140, 248, 0.35);
  box-shadow: 0 12px 40px rgba(129, 140, 248, 0.2);
}

.experience-toggle--alien:hover,
.experience-toggle--alien:focus {
  box-shadow: 0 20px 55px rgba(129, 140, 248, 0.3);
}

.hero {
  display: grid;
  gap: 1.5rem;
  padding: 3rem 2rem;
  background: var(--surface);
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 40px 120px rgba(15, 23, 42, 0.45);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at top right,
    rgba(45, 212, 191, 0.12),
    transparent 55%
  );
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2.2rem, 3vw + 1rem, 3.4rem);
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.hero p {
  margin: 0;
  font-size: 1.05rem;
  color: #e2e8f0;
  max-width: 48ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.section {
  margin-top: 3.5rem;
}

.section h2 {
  font-size: 1.9rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: var(--surface-alt);
  padding: 1.5rem;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.15);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 220px;
  box-shadow: 0 16px 45px rgba(8, 11, 24, 0.35);
}

.card--wide {
  grid-column: span 2;
}

.card__image-link {
  display: inline-block;
}

.card__image {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(15, 23, 42, 0.5);
}

.card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: auto;
}

.newsletter {
  margin-top: 2rem;
  background: var(--surface-soft);
  border-radius: 18px;
  border: 1px solid rgba(45, 212, 191, 0.18);
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
}

.newsletter form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.newsletter input[type='email'] {
  flex: 1 1 220px;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: rgba(15, 23, 42, 0.85);
  color: var(--text);
}

.newsletter-note {
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  margin-top: 4rem;
  padding: 2rem 1.5rem;
  text-align: center;
  color: rgba(148, 163, 184, 0.7);
}

.frog-field {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.page--home.froggy-mode .frog-field {
  opacity: 1;
  z-index: 0;
}

.alien-field {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.page--home.alien-mode .alien-field {
  opacity: 1;
  z-index: 0;
}

.frog-field__sprite {
  position: absolute;
  top: var(--start-y, 50vh);
  left: -12vw;
  width: 72px;
  height: 72px;
  pointer-events: none;
  object-fit: contain;
  background-color: transparent;
  filter: drop-shadow(0 16px 32px rgba(56, 189, 248, 0.55));
  opacity: 0.96;
  transform: translate(-50%, -50%);
  will-change: transform, top, left;
  animation-name:
    var(--fly-animation, flyAcross), driftY, var(--spin-animation, spin);
  animation-duration:
    var(--fly-duration, 7s), var(--drift-duration, 2.6s),
    var(--spin-duration, 2.4s);
  animation-timing-function: linear, ease-in-out, linear;
  animation-iteration-count: infinite, infinite, infinite;
  animation-direction: normal, alternate, normal;
  animation-delay:
    var(--fly-delay, 0s), var(--drift-delay, 0s), var(--spin-delay, 0s);
}

.frog-field__sprite--tiny {
  width: 44px;
  height: 44px;
  --spin-duration: 1.6s;
  --drift-duration: 2s;
}

.frog-field__sprite--slow {
  --fly-duration: 9.5s;
  --spin-duration: 3.1s;
}

.alien-field__sprite {
  position: absolute;
  top: var(--start-y, 50vh);
  left: -12vw;
  width: 80px;
  height: 80px;
  pointer-events: none;
  mix-blend-mode: screen;
  filter: drop-shadow(0 20px 40px rgba(129, 140, 248, 0.55)) brightness(1.1);
  opacity: 0.92;
  transform: translate(-50%, -50%);
  will-change: transform, top, left;
  animation-name:
    var(--fly-animation, flyAcross), driftYAlt, var(--spin-animation, spin);
  animation-duration:
    var(--fly-duration, 6s), var(--drift-duration, 2s), var(--spin-duration, 2s);
  animation-timing-function: linear, ease-in-out, linear;
  animation-iteration-count: infinite, infinite, infinite;
  animation-direction: normal, alternate, normal;
  animation-delay:
    var(--fly-delay, 0s), var(--drift-delay, 0s), var(--spin-delay, 0s);
}

.alien-field__sprite--tiny {
  width: 56px;
  height: 56px;
  --spin-duration: 1.4s;
  --drift-duration: 1.6s;
}

.alien-field__sprite--slow {
  --fly-duration: 8.5s;
  --spin-duration: 2.8s;
}

@keyframes flyAcross {
  0% {
    left: -12vw;
  }
  100% {
    left: 112vw;
  }
}

@keyframes flyAcrossReverse {
  0% {
    left: 112vw;
  }
  100% {
    left: -12vw;
  }
}

@keyframes driftY {
  0% {
    top: var(--start-y);
  }
  50% {
    top: var(--mid-y);
  }
  100% {
    top: var(--end-y);
  }
}

@keyframes driftYAlt {
  0% {
    top: var(--start-y);
  }
  50% {
    top: var(--mid-y);
  }
  100% {
    top: var(--end-y);
  }
}

@keyframes spin {
  0% {
    transform: translate(-50%, -50%) rotate(0deg) scale(0.88);
  }
  50% {
    transform: translate(-50%, -50%) rotate(180deg) scale(1.14);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg) scale(0.88);
  }
}

@keyframes spinReverse {
  0% {
    transform: translate(-50%, -50%) rotate(0deg) scale(0.88);
  }
  50% {
    transform: translate(-50%, -50%) rotate(-180deg) scale(1.14);
  }
  100% {
    transform: translate(-50%, -50%) rotate(-360deg) scale(0.88);
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 2.4rem 1.5rem;
  }
}