:root {
  --bg: #0c0e17;
  --panel: #111426;
  --panel-muted: #0f1221;
  --accent: #53f3c4;
  --accent-strong: #b3ff53;
  --text: #e7ebf7;
  --text-muted: #a5abc7;
  --card: #1a1f37;
  --border: #232842;
  --font: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at 20% 20%, #16203a, #0c0e17 45%), radial-gradient(circle at 80% 0%, #1d1e36, #0c0e17 55%);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3 {
  margin: 0 0 0.4em;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1em;
}

a {
  color: inherit;
  text-decoration: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero {
  position: relative;
  height: clamp(55vh, 65vh, 72vh); /* Crop the scene instead of overflowing */
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2.8rem 1.5rem 2.1rem;
  background-image:
    linear-gradient(135deg, rgba(12, 14, 23, 0.65), rgba(12, 14, 23, 0.3)),
    url('assets/arc-flute-banner.jpg');
  background-size: cover;
  background-position: center 28%; /* Favor the upper action; trims the lower portion */
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 14, 23, 0) 55%, rgba(12, 14, 23, 0.92) 90%, rgba(12, 14, 23, 1) 100%);
  pointer-events: none;
}

.hero__overlay {
  max-width: 820px;
  padding: 2.5rem 2rem 2rem;
  backdrop-filter: blur(8px);
  background: rgba(12, 14, 23, 0.68);
  border: 1px solid rgba(83, 243, 196, 0.35);
  border-radius: 18px;
  box-shadow: 0 30px 120px rgba(0, 0, 0, 0.45);
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 3.8rem);
  font-weight: 700;
}

.hero__lede {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero__actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 1rem 0 0.5rem;
}

.hero__meta {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  background: rgba(83, 243, 196, 0.12);
  color: var(--accent-strong);
  border: 1px solid rgba(83, 243, 196, 0.35);
  margin-bottom: 1rem;
}

main {
  width: min(1100px, 92vw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.5rem 0 3rem;
  position: relative;
  z-index: 1;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.25);
}

.panel--accent {
  background: linear-gradient(135deg, rgba(83, 243, 196, 0.12), rgba(179, 255, 83, 0.08));
}

.panel--muted {
  background: var(--panel-muted);
}

.panel__header {
  margin-bottom: 1.25rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--accent-strong);
  margin: 0 0 0.4rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid--two {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid--three {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.steps {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text);
  line-height: 1.7;
}

.steps li {
  margin-bottom: 0.75rem;
}

.cta {
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #04121a;
  box-shadow: 0 10px 30px rgba(83, 243, 196, 0.25);
  transition: transform 150ms ease, box-shadow 150ms ease, opacity 150ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 36px rgba(83, 243, 196, 0.32);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn--wide {
  width: 100%;
}

.bullets {
  list-style: disc;
  padding-left: 1.2rem;
  color: var(--text);
}

.bullets li {
  margin-bottom: 0.6rem;
}

.footer {
  background: #0a0c15;
  padding: 2.2rem 1.5rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
  text-align: center;
}

.footer__content {
  max-width: 820px;
  margin: 0 auto;
}

@media (max-width: 720px) {
  .hero__overlay {
    padding: 2rem 1.4rem;
  }

  main {
    width: 94vw;
    margin-top: 0;
  }
}

@media (max-width: 540px) {
  .hero {
    height: 62vh;
    padding: 2.3rem 1.1rem 1.8rem;
    background-position: center 32%;
  }

  .hero__overlay {
    padding: 1.6rem 1.1rem;
  }

  .hero__actions {
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

  main {
    width: 94vw;
    margin-top: 0;
  }

  .panel {
    padding: 1.4rem;
  }

  .panel__header {
    margin-bottom: 1rem;
  }

  .grid--two,
  .grid--three {
    grid-template-columns: 1fr;
  }

  .steps {
    padding-left: 1rem;
  }
}