/* Hub — spbxsound.com ripple canvas + SPBX Review ambient backdrop */

body {
  background:
    radial-gradient(ellipse 60% 50% at 85% 10%, color-mix(in srgb, var(--accent-blue) 4%, transparent) 0%, transparent 70%),
    var(--bg-primary);
  background-color: var(--bg-primary);
}

#ripple {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.spbx-page-droplets {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.spbx-droplet {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.spbx-droplet--accent {
  width: min(70vw, 640px);
  height: min(62vh, 560px);
  top: -18%;
  right: -14%;
  filter: blur(40px);
}

.spbx-droplet--accent-2 {
  width: min(52vw, 480px);
  height: min(46vh, 420px);
  top: 32%;
  right: 6%;
  filter: blur(48px);
}

.spbx-droplet--identity {
  width: min(56vw, 520px);
  height: min(50vh, 460px);
  bottom: -20%;
  left: -16%;
  filter: blur(44px);
}

body.theme-dark .spbx-droplet--accent {
  background: radial-gradient(
    ellipse at 42% 48%,
    rgba(91, 127, 166, 0.38) 0%,
    rgba(91, 127, 166, 0.14) 32%,
    rgba(91, 127, 166, 0.05) 52%,
    transparent 72%
  );
}

body.theme-dark .spbx-droplet--accent-2 {
  background: radial-gradient(
    ellipse at center,
    rgba(91, 127, 166, 0.22) 0%,
    rgba(91, 127, 166, 0.08) 40%,
    transparent 70%
  );
}

body.theme-dark .spbx-droplet--identity {
  background: radial-gradient(
    ellipse at 55% 50%,
    rgba(168, 135, 74, 0.28) 0%,
    rgba(168, 135, 74, 0.1) 38%,
    transparent 72%
  );
}

body.theme-light .spbx-droplet--accent {
  background: radial-gradient(
    ellipse at 42% 48%,
    rgba(91, 127, 166, 0.18) 0%,
    rgba(91, 127, 166, 0.08) 32%,
    rgba(91, 127, 166, 0.03) 52%,
    transparent 72%
  );
}

body.theme-light .spbx-droplet--accent-2 {
  background: radial-gradient(
    ellipse at center,
    rgba(91, 127, 166, 0.12) 0%,
    rgba(91, 127, 166, 0.05) 40%,
    transparent 70%
  );
}

body.theme-light .spbx-droplet--identity {
  background: radial-gradient(
    ellipse at 55% 50%,
    rgba(168, 135, 74, 0.12) 0%,
    rgba(168, 135, 74, 0.05) 38%,
    transparent 72%
  );
}

.hub {
  position: relative;
  z-index: 1;
  --hub-max: 960px;
  --hub-gutter: 48px;
}

/* ── Hero (spbxsound.com editorial frame) ── */
.hero-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: var(--hub-max);
  margin: 0 auto;
  padding: 48px var(--hub-gutter) 64px;
}

.hub-logo {
  display: block;
  height: 88px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  object-position: left center;
  margin-bottom: 52px;
  opacity: 0.92;
  animation: spbxFadeUp 1.1s ease both;
}

.hero-screen h1 {
  font-size: clamp(44px, 9vw, 80px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  animation: spbxFadeUp 1.1s ease both 0.35s;
}

.hero-screen h1 em {
  font-style: italic;
  color: var(--brand-color);
}

.hero-screen .eyebrow {
  max-width: none;
  line-height: 1.55;
  margin-bottom: 52px;
  animation: spbxFadeUp 1.1s ease both 0.55s;
}

.hero-screen .rule {
  margin-bottom: 28px;
  animation: spbxFadeUp 1.1s ease both 0.75s;
}

.hero-lede {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 300;
  font-style: italic;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  max-width: 52em;
  margin: 0 0 1em;
  animation: spbxFadeUp 1.1s ease both 0.95s;
}

.hero-screen .hero-lede:last-of-type {
  margin-bottom: 52px;
}

.hero-actions {
  animation: spbxFadeUp 1.1s ease both 1.15s;
}

.hub-nav-fixed {
  position: fixed;
  top: 28px;
  right: 28px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
}

.hub-nav-fixed a {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--accent-blue) 55%, transparent);
  text-decoration: none;
  transition: color 0.2s;
}

.hub-nav-fixed a:hover {
  color: var(--accent-gold);
}

.hub-mark {
  position: fixed;
  top: 28px;
  left: 28px;
  z-index: 10;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-hint);
}

/* ── Scroll sections ── */
.hub-body {
  max-width: var(--hub-max);
  margin: 0 auto;
  padding: 0 var(--hub-gutter) 80px;
}

.hub-section {
  padding-top: 64px;
  border-top: 1px solid var(--border);
}

.hub-section h2 {
  font-size: clamp(28px, 5vw, 36px);
  margin-bottom: 20px;
}

.hub-section p {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0 0 16px;
}

.hub-section p:last-child {
  margin-bottom: 0;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 48px;
  background: var(--border);
  border: 1px solid var(--border);
}

.pillar {
  background: color-mix(in srgb, var(--bg-primary) 72%, transparent);
  padding: 28px 24px;
  border: none;
}

.pillar .eyebrow {
  color: var(--brand-color);
  letter-spacing: 0.16em;
  margin-bottom: 12px;
}

.pillar p {
  font-family: var(--font-mono);
  font-size: 12px;
  font-style: normal;
  line-height: 1.6;
  margin: 0;
}

.contact-email {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent-gold);
  margin-top: 20px;
  display: inline-block;
}

.contact-email:hover {
  color: var(--text-primary);
}

.hub-footer {
  max-width: var(--hub-max);
  margin: 0 auto;
  padding: 24px var(--hub-gutter) 48px;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 720px) {
  .hub {
    --hub-gutter: 28px;
  }

  .hub-logo {
    height: 60px;
    margin-bottom: 40px;
  }

  .hero-screen .eyebrow {
    margin-bottom: 36px;
    font-size: 9px;
    letter-spacing: 0.16em;
  }

  .pillars {
    grid-template-columns: 1fr;
  }

  .hub-nav-fixed {
    top: 20px;
    right: 20px;
    gap: 16px;
  }

  .hub-mark {
    top: 20px;
    left: 20px;
  }
}