:root {
  --ink: #fff9f1;
  --muted: #d0baa9;
  --bg: #020209;
  --surface: rgba(255, 255, 255, 0.05);
  --accent: #ff8c42;
  --accent-alt: #ffc96d;
  --border: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Space Grotesk', 'Poppins', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

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

body {
  background: radial-gradient(circle at top, #2c1a0f 0%, #050209 55%, #010004 100%);
}

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

.hero {
  padding: 2.5rem clamp(1.5rem, 3vw, 3rem) 3rem;
  background:
    linear-gradient(135deg, rgba(255, 140, 66, 0.22), rgba(255, 201, 109, 0.08)),
    radial-gradient(circle at 20% 20%, rgba(255, 140, 66, 0.35), transparent 60%);
  border-bottom: 1px solid var(--border);
}

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.site-nav .brand {
  font-size: 1.15rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.site-nav .nav-links {
  display: flex;
  gap: 1rem;
}

.site-nav .nav-links a {
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  font-size: 0.95rem;
  transition: background 0.2s ease;
}

.site-nav .nav-links a.active,
.site-nav .nav-links a:hover {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

.hero-content {
  max-width: 880px;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  margin: 0;
}

.hero-subtitle {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 1rem 0 1.5rem;
  line-height: 1.5;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.cta-group a,
.cta-group button {
  border: none;
  border-radius: 999px;
  padding: 0.9rem 1.6rem;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--ink);
  transition: transform 0.2s ease;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  box-shadow: 0 14px 40px rgba(255, 140, 66, 0.35);
}

.cta-group a:hover,
.cta-group button:hover {
  transform: translateY(-2px);
}

main {
  flex: 1;
  padding: 2.5rem clamp(1.5rem, 3vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.section-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 2rem;
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.section-panel h2 {
  margin-top: 0;
  margin-bottom: 1rem;
}

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

.feature-card {
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.channels-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

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

.channel-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.channel-card strong {
  font-size: 0.9rem;
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--accent-alt);
}

.channel-card a {
  font-weight: 600;
}

.vco-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.vco-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.vco-column {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
}

.vco-column h3 {
  margin-top: 0;
  margin-bottom: 1rem;
}

.vco-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.vco-start-wrapper {
  margin-top: 1.5rem;
}

.vco-sync-wrapper {
  margin-top: 0.75rem;
  display: flex;
  justify-content: center;
}

.vco-start {
  width: 100%;
  border: none;
  border-radius: 0.8rem;
  padding: 0.9rem 1.2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  color: #05050b;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.control label {
  font-size: 0.85rem;
  color: var(--muted);
}

.control input[type='range'] {
  accent-color: var(--accent);
}

.wave-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.wave-buttons button {
  flex: 1;
  min-width: 120px;
  border: 1px solid var(--border);
  background: transparent;
  padding: 0.8rem 1rem;
  border-radius: 0.8rem;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.wave-buttons button.active {
  border-color: var(--accent);
  background: rgba(255, 140, 66, 0.2);
  transform: translateY(-2px);
}

.lfo-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.contact-card,
.contact-form {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
}

.contact-card p,
.contact-card li {
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.form-control {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-control input,
.form-control textarea,
.form-control select {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 0.8rem 1rem;
  color: var(--ink);
  font-family: inherit;
}

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

.form-control button {
  margin-top: 0.5rem;
  border: none;
  border-radius: 0.8rem;
  padding: 0.9rem 1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  color: #05050b;
  font-weight: 700;
  cursor: pointer;
}

.footer {
  padding: 1.8rem clamp(1.5rem, 3vw, 3rem);
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .site-nav {
    flex-direction: column;
    gap: 1rem;
  }

  .cta-group {
    flex-direction: column;
  }
}