:root {
  --radio-bg: #0a0e14;
  --radio-accent: #00e5a0;
  --radio-cyan: #00d4ff;
  --radio-amber: #ffb020;
  --text: #e8edf4;
  --muted: #9aa6b8;
  --font-display: "Orbitron", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--radio-bg);
  color: var(--text);
  font-family: var(--font-mono);
  line-height: 1.55;
}

#rig-canvas,
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

#rig-canvas {
  z-index: 0;
  opacity: 0.38;
}

.grid-overlay {
  z-index: 1;
  background-image:
    linear-gradient(rgba(0, 229, 160, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 160, 0.035) 1px, transparent 1px);
  background-size: 40px 40px;
}

.site-header,
main,
footer {
  position: relative;
  z-index: 2;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 0;
}

.header-link {
  margin-left: auto;
  color: var(--radio-cyan);
  font-size: 0.82rem;
  text-decoration: none;
}

.header-link:hover,
.header-link:focus-visible {
  text-decoration: underline;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.6rem;
  border: 1px solid rgba(0, 229, 160, 0.35);
  background: rgba(0, 229, 160, 0.08);
  object-fit: cover;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-copy strong {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

.brand-copy em {
  color: var(--radio-accent);
  font-style: normal;
}

.brand-copy small {
  color: #6b7789;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.62rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 176, 32, 0.35);
  background: rgba(17, 24, 32, 0.72);
  color: var(--radio-amber);
  font-size: 0.75rem;
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--radio-amber);
  box-shadow: 0 0 10px rgba(255, 176, 32, 0.7);
  animation: pulse 1.6s ease-in-out infinite;
}

.hero,
.features,
.access {
  max-width: 72rem;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 2rem;
}

.eyebrow {
  color: var(--radio-cyan);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
}

h1 {
  max-width: 16ch;
  margin: 0.8rem 0 1.2rem;
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  line-height: 1.1;
}

h1 span {
  display: block;
  color: var(--radio-accent);
  text-shadow: 0 0 22px rgba(0, 229, 160, 0.45);
}

.lede,
.section-copy,
.cta-note,
footer p,
.feature-grid p {
  color: var(--muted);
}

.lede {
  max-width: 42rem;
  font-size: 1.02rem;
}

.hero-actions {
  margin: 1.75rem 0 2.2rem;
}

.primary-button {
  display: inline-block;
  margin: 0 0 0.5rem;
  padding: 0.85rem 1.25rem;
  border-radius: 0.7rem;
  border: 1px solid var(--radio-accent);
  background: var(--radio-accent);
  color: #07120f;
  font: 700 0.9rem var(--font-mono);
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: filter 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.primary-button:hover,
.primary-button:focus-visible {
  filter: brightness(1.08);
  box-shadow: 0 0 24px rgba(0, 229, 160, 0.25);
  transform: translateY(-1px);
}

.primary-button:disabled {
  cursor: wait;
  filter: grayscale(0.5);
  opacity: 0.65;
}

.cta-note {
  margin: 0;
  font-size: 0.85rem;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 0;
}

.stats dt {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--radio-accent);
}

.stats dd {
  margin: 0.2rem 0 0;
  color: #6b7789;
  font-size: 0.85rem;
}

.features {
  padding-top: 1rem;
  padding-bottom: 2rem;
}

.access {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.82fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
  padding-top: 2rem;
  padding-bottom: 5rem;
}

.access h2 {
  margin: 0.6rem 0 0.8rem;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.16;
}

.platform-card {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 1.5rem 0;
  padding: 1rem;
  border: 1px solid rgba(0, 212, 255, 0.22);
  border-radius: 0.9rem;
  background: rgba(0, 212, 255, 0.055);
}

.platform-card span:not(.platform-icon) {
  display: flex;
  flex-direction: column;
}

.platform-card small {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.platform-card strong {
  color: var(--radio-cyan);
  font-size: 1rem;
}

.platform-icon {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.12);
  color: var(--radio-cyan);
  font-size: 1.3rem;
}

.platform-choice {
  margin: -0.5rem 0 1.5rem;
}

.platform-choice p {
  color: var(--muted);
  font-size: 0.85rem;
}

.platform-choice button,
.auth-tabs button {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.035);
  color: var(--muted);
  font: 500 0.82rem var(--font-mono);
  cursor: pointer;
}

.platform-choice button {
  margin-right: 0.4rem;
  padding: 0.55rem 0.8rem;
  border-radius: 0.55rem;
}

.platform-choice button[aria-pressed="true"],
.auth-tabs button[aria-selected="true"] {
  border-color: rgba(0, 229, 160, 0.5);
  background: rgba(0, 229, 160, 0.09);
  color: var(--radio-accent);
}

.terms-list {
  display: grid;
  gap: 0.8rem;
  margin: 1.5rem 0 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.terms-list li {
  position: relative;
  padding-left: 1.55rem;
  font-size: 0.9rem;
}

.terms-list li::before {
  position: absolute;
  left: 0;
  content: "✓";
  color: var(--radio-accent);
}

.terms-list strong {
  color: var(--text);
}

.access-panel,
.confirm-card {
  border: 1px solid rgba(0, 229, 160, 0.18);
  border-radius: 1.2rem;
  background: rgba(13, 20, 28, 0.9);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(22px);
}

.access-panel {
  min-height: 30rem;
  padding: 1.4rem;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  padding: 0.3rem;
  border-radius: 0.75rem;
  background: rgba(0, 0, 0, 0.2);
}

.auth-tabs button {
  padding: 0.7rem;
  border-radius: 0.55rem;
}

.access-panel h3 {
  margin: 0 0 0.45rem;
  font-size: 1.15rem;
}

.form-intro {
  margin: 0 0 1.2rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.access-panel form {
  display: grid;
  gap: 0.65rem;
}

.access-panel label {
  margin-top: 0.25rem;
  color: #cbd5e1;
  font-size: 0.82rem;
}

.access-panel input:not([type="checkbox"]) {
  width: 100%;
  min-height: 2.9rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 0.65rem;
  outline: none;
  background: rgba(5, 9, 14, 0.75);
  color: var(--text);
  font: 1rem var(--font-mono);
}

.access-panel input:focus {
  border-color: rgba(0, 212, 255, 0.65);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.08);
}

.access-panel form > .primary-button {
  width: 100%;
  margin-top: 0.75rem;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  line-height: 1.45;
}

.checkbox-row input {
  width: 1rem;
  height: 1rem;
  margin-top: 0.16rem;
  flex: 0 0 auto;
  accent-color: var(--radio-accent);
}

.form-status {
  min-height: 1.4rem;
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.form-status[data-kind="error"] {
  color: #ff7d8a;
}

.form-status[data-kind="success"] {
  color: var(--radio-accent);
}

.download-ready {
  padding: 1rem 0.5rem;
  text-align: center;
}

.verified-mark {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: rgba(0, 229, 160, 0.12);
  color: var(--radio-accent);
  font-size: 1.8rem;
}

.file-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 1.4rem 0;
  padding: 1rem;
  overflow-wrap: anywhere;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  background: rgba(0, 0, 0, 0.18);
  text-align: left;
}

.file-card small {
  color: var(--muted);
}

.download-ready .primary-button {
  display: block;
  width: 100%;
}

.text-button {
  border: 0;
  background: none;
  color: var(--muted);
  font: 0.8rem var(--font-mono);
  text-decoration: underline;
  cursor: pointer;
}

.is-hidden {
  display: none !important;
}

.confirm-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 1.5rem;
}

.confirm-card {
  width: min(34rem, 100%);
  padding: 2rem;
  text-align: center;
}

.confirm-card img {
  border-radius: 0.75rem;
}

.confirm-card h1 {
  max-width: none;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
}

.confirm-card p:not(.eyebrow) {
  color: var(--muted);
}

.confirm-card .primary-button {
  margin-top: 1rem;
}

.preview {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1rem 1.5rem 5rem;
}

.preview h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0.6rem 0 0.6rem;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: 1.25rem;
  padding: 0;
  margin: 2rem 0 0;
  list-style: none;
}

.preview-grid li {
  padding: 0.75rem;
  border-radius: 1rem;
  border: 1px solid rgba(0, 229, 160, 0.12);
  background: rgba(17, 24, 32, 0.65);
  backdrop-filter: blur(16px);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.preview-grid img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.preview-grid p {
  margin: 0.75rem 0.15rem 0.15rem;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.features h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 0.6rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
  padding: 0;
  margin: 2rem 0 0;
  list-style: none;
}

.feature-grid li {
  padding: 1.3rem;
  border-radius: 1rem;
  border: 1px solid rgba(0, 229, 160, 0.12);
  background: rgba(17, 24, 32, 0.65);
  backdrop-filter: blur(16px);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.feature-grid svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--radio-cyan);
}

.feature-grid h3 {
  margin: 0.85rem 0 0.45rem;
  font-size: 1rem;
}

.feature-grid p {
  margin: 0;
  font-size: 0.9rem;
}

footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.82rem;
}

footer p {
  margin: 0.25rem 0;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .header-link {
    margin-left: 0;
  }
}

@media (max-width: 820px) {
  .access {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .status-dot {
    animation: none;
  }
}