:root {
  color-scheme: dark;
  --bg: #030712;
  --panel: rgba(13, 22, 45, 0.6);
  --panel-strong: rgba(17, 28, 58, 0.75);
  --panel-hover: rgba(23, 37, 74, 0.85);
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.25);
  --accent-strong: #0ea5e9;
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(56, 189, 248, 0.5);
  --star-gold: #fbbf24;
  --star-glow: rgba(251, 191, 36, 0.4);
}

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

body {
  min-height: 100vh;
  overflow-x: hidden;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 50% 0%, #0f172a 0%, var(--bg) 70%);
  background-attachment: fixed;
}

/* Dynamic Star Background */
#stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: #ffffff;
  opacity: 0.6;
  box-shadow: 0 0 4px rgba(255, 255, 255, 0.8);
  animation: twinkle 3s infinite ease-in-out;
}

.page-shell {
  position: relative;
  z-index: 1;
  max-width: 1140px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

/* Glass Panels Base */
.hero, .hero-card, .card, .about-box, .form-wrapper {
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Hero Section */
.hero {
  display: grid;
  gap: 24px;
  grid-template-columns: 1.4fr 0.8fr;
  align-items: center;
  padding: 32px;
  background: var(--panel-strong);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  max-width: 640px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #030712;
  border: none;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
  background: #7dd3fc;
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.hero-card {
  padding: 20px;
  border-radius: 12px;
}

.hero-card h2 {
  margin-bottom: 12px;
  font-size: 1.15rem;
  color: var(--accent);
}

.hero-card ul {
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.card {
  display: block;
  padding: 20px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover {
  transform: translateY(-4px);
  background: var(--panel-hover);
  border-color: var(--border-focus);
  box-shadow: 0 12px 30px -10px var(--accent-glow);
}

.card h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.card p {
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.about-box {
  margin-top: 24px;
  padding: 24px;
  border-radius: 14px;
}

.about-title {
  margin: 0 0 16px 0;
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 700;
}

.about-content {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
}

.mura-banner {
  width: 320px;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
}

.about-actions {
  min-width: 220px;
  text-align: left;
}

.about-text {
  color: var(--muted);
  margin-bottom: 12px;
  line-height: 1.6;
}

.form-wrapper {
  margin: 40px auto;
  max-width: 520px;
  width: 100%;
  padding: 32px;
  border-radius: 16px;
  background: var(--panel-strong);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.form-header {
  text-align: center;
  margin-bottom: 24px;
}

.form-header h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.form-header p {
  color: var(--muted);
  font-size: 0.9rem;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.required {
  color: #f43f5e;
  margin-right: 4px;
}

.form input[type="email"],
.form textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(3, 7, 18, 0.65);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form textarea {
  min-height: 120px;
  resize: vertical;
}

.form input:focus,
.form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Centered Star Rating Section */
.rating-group {
  align-items: center;
  margin-top: 4px;
}

.star-rating {
  display: inline-flex;
  flex-direction: row-reverse;
  justify-content: center;
  gap: 8px;
  font-size: 2.2rem;
  line-height: 1;
}

.star-rating input {
  display: none;
}

.star-rating label {
  color: #334155;
  cursor: pointer;
  transition: color 0.15s ease-out, transform 0.15s ease-out;
  user-select: none;
}

.star-rating label:hover,
.star-rating label:hover ~ label,
.star-rating input:checked ~ label {
  color: var(--star-gold);
  text-shadow: 0 0 14px var(--star-glow);
}

.star-rating label:hover {
  transform: scale(1.2);
}

.submit-btn {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
  margin-top: 8px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
  margin-top: 36px;
  color: var(--muted);
}

.footer a {
  color: var(--muted);
  transition: color 0.2s, transform 0.2s;
  display: inline-flex;
}

.footer a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

@keyframes twinkle {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50% { opacity: 0.9; transform: scale(1.2); }
}

#planet {
  color: #030712;
  background-color: var(--text);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

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

@media (max-width: 680px) {
  .page-shell {
    padding: 20px 14px 40px;
  }
  .about-content {
    flex-direction: column;
    align-items: center;
  }
  .about-actions {
    text-align: center;
  }
}