:root {
  /* Default: dark theme (black, white, red) */
  --bg-main: #000000;
  --panel: #0d0f12;
  --panel-alt: #161a1f;
  --text: #ffffff;
  --text-muted: #a0aec0;
  --red-accent: #dc2626;
  --red-hover: #b91c1c;
  --border: #2d3748;
  --header-bg: rgba(0, 0, 0, 0.94);
  --header-border: rgba(220, 38, 38, 0.35);
  --input-bg: rgba(0, 0, 0, 0.5);
  --input-border: #3a3f46;
  --store-btn-bg: #111111;
  --footer-text: #6b7280;
  --btn-secondary-border: rgba(255, 255, 255, 0.18);
  --card-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);

  /* Legacy aliases used throughout the stylesheet */
  --bg: var(--bg-main);
  --muted: var(--text-muted);
  --red: var(--red-accent);
  --green: #39ff14;
  --orange: #ff6b2c;
  --cyan: #2563eb;
  --max: 1100px;
}

body.light-mode {
  --bg-main: #f8fafc;
  --panel: #ffffff;
  --panel-alt: #f1f5f9;
  --text: #0f172a;
  --text-muted: #475569;
  --red-accent: #dc2626;
  --red-hover: #b91c1c;
  --border: #e2e8f0;
  --header-bg: rgba(248, 250, 252, 0.94);
  --header-border: rgba(220, 38, 38, 0.25);
  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --store-btn-bg: #ffffff;
  --footer-text: #64748b;
  --btn-secondary-border: #cbd5e1;
  --card-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  --green: #15803d;
  --orange: #ea580c;
  --cyan: #1d4ed8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  background-color: var(--bg-main);
  color: var(--text);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: var(--cyan);
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  backdrop-filter: blur(8px);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  flex-wrap: wrap;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--red);
  font-size: 0.85rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--red-accent);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--red-accent);
  color: var(--text);
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.82rem;
  font-family: inherit;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
  background: var(--red-accent);
  color: #ffffff;
}

.hero {
  padding: 3.5rem 0 2.5rem;
}

.badge {
  display: inline-block;
  border: 1px solid rgba(57, 255, 20, 0.5);
  color: var(--green);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 1.25rem;
}

.hero h1,
.section-title {
  font-size: clamp(1.85rem, 5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 1rem;
  color: var(--text);
}

.subhead {
  color: var(--orange);
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 600;
  margin: 0 0 1rem;
}

.pitch {
  color: var(--muted);
  font-size: 1rem;
  max-width: 52rem;
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.92rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--orange);
  color: #000;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--btn-secondary-border);
}

.btn-block {
  width: 100%;
  margin-top: 1rem;
}

.section {
  padding: 4.5rem 0;
}

.alt-bg {
  background-color: var(--panel-alt);
  transition: background-color 0.3s ease;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  margin: -0.5rem auto 2.5rem;
  max-width: 42rem;
  font-size: 1.02rem;
}

.section-title {
  text-align: center;
  margin-bottom: 0.75rem;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

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

.half-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: var(--panel);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border);
  position: relative;
  color: var(--text);
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.feature-card {
  display: flex;
  flex-direction: column;
  min-height: 11rem;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.08rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  flex: 1;
}

.feature-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.feature-icon.green { color: var(--green); }
.feature-icon.orange { color: var(--orange); }
.feature-icon.cyan { color: var(--cyan); }

.status-card {
  border-top: 4px solid #3a3f46;
}

.status-card.live {
  border-top-color: var(--green);
}

.status-card.soon {
  border-top-color: #eab308;
}

.status-card .badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  margin: 0;
  letter-spacing: 0.08em;
}

.label-live {
  background: rgba(57, 255, 20, 0.15);
  color: var(--green);
  border-color: rgba(57, 255, 20, 0.35);
}

.label-soon {
  background: rgba(234, 179, 8, 0.15);
  color: #facc15;
  border-color: rgba(234, 179, 8, 0.35);
}

.pricing-card {
  display: flex;
  flex-direction: column;
  text-align: center;
}

.pricing-card.premium {
  border: 2px solid rgba(220, 38, 38, 0.45);
  box-shadow: var(--card-shadow);
}

.label-early-bird {
  background: rgba(220, 38, 38, 0.18);
  color: #fca5a5;
  border-color: rgba(220, 38, 38, 0.45);
}

body.light-mode .label-early-bird {
  color: var(--red-accent);
}

.promo-callout {
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--muted);
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.25);
  border-radius: 8px;
  padding: 0.75rem 0.85rem;
  margin: 0 0 0.85rem;
  text-align: left;
}

.promo-callout strong {
  color: var(--text);
}

.pricing-footnote {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
  line-height: 1.4;
}

.pricing-card .btn-block + .btn-block {
  margin-top: 0.5rem;
}

.waitlist-form--inline {
  margin: 0.75rem auto 0;
}

.price {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text);
  margin: 0.5rem 0 0.75rem;
}

.price span {
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 500;
}

.pricing-card ul {
  list-style: none;
  text-align: left;
  margin: 0.5rem 0 0;
  padding: 0;
  flex: 1;
}

.pricing-card li {
  margin-bottom: 0.55rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.pricing-card li::before {
  content: "✓ ";
  color: var(--green);
  font-weight: 700;
}

.pricing-note,
.download-note {
  text-align: center;
  color: var(--muted);
  margin-top: 1.5rem;
  font-size: 0.92rem;
}

.download-box {
  text-align: center;
}

.store-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1rem;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  padding: 0.9rem 1.2rem;
  border-radius: 10px;
  background: var(--store-btn-bg);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.store-btn[aria-disabled="true"] {
  opacity: 0.72;
  pointer-events: none;
}

.waitlist {
  margin: 0;
  padding: 4rem 0;
}

.waitlist .container {
  padding: 2rem 1.75rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 107, 44, 0.45);
  background: linear-gradient(160deg, rgba(255, 107, 44, 0.12), var(--panel));
  text-align: center;
}

.waitlist h2 {
  margin: 0 0 0.35rem;
  font-size: 1.65rem;
}

.waitlist-sub {
  color: var(--muted);
  margin: 0 0 1.75rem;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 640px;
  margin: 0 auto;
}

.waitlist-form--stack {
  max-width: 720px;
}

.waitlist-form-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .waitlist-form-row {
    flex-direction: row;
  }
}

.platform-picker {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin: 0;
  text-align: left;
  background: var(--input-bg);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.platform-picker legend {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  padding: 0 0.25rem;
  margin-bottom: 0.35rem;
}

.platform-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.platform-option {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.platform-option:has(input:checked) {
  border-color: var(--red-accent);
  background: rgba(220, 38, 38, 0.12);
}

.platform-option input {
  accent-color: var(--red-accent);
}

.waitlist-form-row input {
  flex: 1;
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 1rem;
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.waitlist-form-row input:focus {
  outline: none;
  border-color: var(--red-accent);
}

.waitlist-form-row button {
  padding: 1rem 1.25rem;
  border: none;
  border-radius: 8px;
  background: var(--orange);
  color: #000;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
}

.waitlist-form-row button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.form-message {
  margin-top: 1rem;
  font-weight: 600;
}

.form-message.success { color: var(--green); }
.form-message.error { color: #ff5252; }

.legal-section .section-title {
  margin-bottom: 0.5rem;
}

.legal-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.legal-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.legal-panel[open] {
  border-color: rgba(220, 38, 38, 0.4);
}

.legal-panel summary {
  cursor: pointer;
  font-weight: 700;
  padding: 1rem 1.15rem;
  list-style: none;
  color: var(--text);
  user-select: none;
}

.legal-panel summary::-webkit-details-marker {
  display: none;
}

.legal-panel summary::after {
  content: '+';
  float: right;
  color: var(--red-accent);
  font-weight: 800;
}

.legal-panel[open] summary::after {
  content: '−';
}

.legal-panel-body {
  padding: 0 1.15rem 1.15rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.92rem;
}

.legal-panel-body p,
.legal-panel-body ul {
  margin: 0.75rem 0 0;
}

.legal-panel-body ul {
  padding-left: 1.2rem;
}

.legal-panel-body li {
  margin-bottom: 0.45rem;
}

.legal-contact {
  margin-top: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.legal-box p {
  color: var(--muted);
  margin-bottom: 0.9rem;
  max-width: 52rem;
}

.site-footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  color: var(--footer-text);
  font-size: 0.8rem;
  transition: color 0.3s ease;
}

@media (max-width: 720px) {
  nav {
    width: 100%;
    justify-content: flex-start;
  }

  .status-card .badge {
    position: static;
    display: inline-block;
    margin-bottom: 0.75rem;
  }
}