:root {
  --surface: #eef0f3;
  --surface-2: #e9edf1;
  --shadow-dark: rgba(150, 160, 170, 0.75);
  --shadow-light: rgba(255, 255, 255, 0.98);
  --chute-door-stroke: #b6bcc4;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: radial-gradient(circle at top left, #f8faff, #cfd4df);
  color: #4a4f57;
  padding: 2rem 2rem 0 2rem;
  transition: background 0.3s ease, color 0.3s ease;
}

.container {
  text-align: center;
  max-width: 700px;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.funnel {
  width: min(560px, 90%);
  aspect-ratio: 16 / 9;
  height: auto;
  background: var(--surface);
  border-radius: 28px;
  box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
}

.funnel-inner {
  position: absolute;
  inset: 24px;
  background: var(--surface);
  border-radius: 18px;
  z-index: 1;
  overflow: hidden;
}

.funnel-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  box-shadow: inset 10px 10px 18px var(--shadow-dark),
    inset -10px -10px 18px var(--shadow-light);
  z-index: 2;
  pointer-events: none;
}

.funnel-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 18px;
}

h1 {
  font-size: 72px;
  font-weight: 900;
  letter-spacing: 4px;
  transform: scaleX(0.92);
  text-transform: uppercase;
  color: #b3b7bf;
  text-shadow: none;
  line-height: 1;
  margin: 0 0 1rem 0;
  transition: color 0.3s ease;
}

.tagline {
  font-size: 1.25rem;
  color: #7b818b;
  font-weight: 300;
  margin-bottom: 2rem;
  transition: color 0.3s ease;
}

.status {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(180deg, #eef0f3 0%, #e6e8ec 100%);
  border-radius: 12px;
  font-size: 0.9rem;
  color: #5c6f7c;
  font-weight: 400;
  letter-spacing: 0.5px;
  box-shadow: 
    4px 4px 8px rgba(150, 160, 170, 0.3),
    -4px -4px 8px rgba(255, 255, 255, 0.8);
}

.status::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #f59e0b;
  border-radius: 50%;
  margin-right: 8px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.features {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 600px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 480px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

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

.feature-icon {
  width: 32px;
  height: 32px;
  margin: 0 auto 0.75rem;
  color: #9ca3af;
  transition: color 0.3s ease;
}

.feature-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
}

.feature-text {
  font-size: 0.8rem;
  color: #7b818b;
  font-weight: 400;
  letter-spacing: 0.3px;
  transition: color 0.3s ease;
}

.disclaimer {
  margin-top: 3rem;
  padding: 2rem 1.5rem;
  width: 100%;
  max-width: 700px;
}

.disclaimer p {
  max-width: 800px;
  margin: 0 auto;
  font-size: 11px;
  line-height: 1.5;
  color: #86868b;
  text-align: center;
  transition: color 0.3s ease;
}

.disclaimer p + p {
  margin-top: 0.5rem;
}

.disclaimer .copyright {
  margin-top: 1rem;
  font-size: 12px;
  color: #9ca3af;
  transition: color 0.3s ease;
}

/* Dark mode toggle */
.theme-toggle-wrap {
  align-self: flex-end;
  margin-bottom: 1rem;
}

.neumorphic-toggle {
  appearance: none;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
  display: block;
}

.neumorphic-toggle:focus {
  outline: none;
}

.neumorphic-toggle .neumorphic-toggle-track {
  display: block;
  width: 48px;
  height: 26px;
  border-radius: 13px;
  background: var(--surface-2);
  box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
  position: relative;
}

.neumorphic-toggle .neumorphic-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--surface) 0%, var(--surface-2) 100%);
  box-shadow: 4px 4px 8px var(--shadow-dark), -2px -2px 6px var(--shadow-light);
  transition: transform 0.25s cubic-bezier(0.34, 1.2, 0.64, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.toggle-icon {
  width: 12px;
  height: 12px;
  position: absolute;
  transition: opacity 0.2s ease;
}

.sun-icon {
  color: #f59e0b;
  opacity: 1;
}

.moon-icon {
  color: #6366f1;
  opacity: 0;
}

.neumorphic-toggle[aria-checked="true"] .sun-icon {
  opacity: 0;
}

.neumorphic-toggle[aria-checked="true"] .moon-icon {
  opacity: 1;
}

.neumorphic-toggle[aria-checked="true"] .neumorphic-toggle-track {
  box-shadow: inset -2px -2px 4px rgba(0, 0, 0, 0.15), inset 2px 2px 4px rgba(255, 255, 255, 0.4);
  background: #22c55e;
}

.neumorphic-toggle[aria-checked="true"] .neumorphic-toggle-thumb {
  transform: translateX(22px);
  box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2), -1px -1px 2px rgba(255, 255, 255, 0.5);
  background: linear-gradient(145deg, #2dd96a 0%, #1ea34e 100%);
}

/* ========== Dark mode ========== */
body.dark-mode {
  --surface: #22252a;
  --surface-2: #282c32;
  --shadow-dark: rgba(0, 0, 0, 0.4);
  --shadow-light: rgba(60, 64, 72, 0.5);
  --chute-door-stroke: #3d4149;
  background: radial-gradient(circle at top left, #252830, #16181d);
  color: #e4e6eb;
}

body.dark-mode h1 {
  color: #6b7280;
}

body.dark-mode .tagline {
  color: #9ca3af;
}

body.dark-mode .status {
  background: linear-gradient(180deg, #282c32 0%, #22252a 100%);
  color: #9ca3af;
  box-shadow: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light);
}

body.dark-mode .feature-icon {
  color: #6b7280;
}

body.dark-mode .feature-text {
  color: #9ca3af;
}

body.dark-mode .funnel {
  background: var(--surface);
  box-shadow: 8px 8px 16px var(--shadow-dark), -6px -6px 14px var(--shadow-light);
}

body.dark-mode .funnel-inner {
  background: var(--surface);
}

body.dark-mode .funnel-inner::before {
  box-shadow: inset 10px 10px 18px var(--shadow-dark), inset -10px -10px 18px var(--shadow-light);
}

body.dark-mode .disclaimer p {
  color: #6b7280;
}

body.dark-mode .disclaimer .copyright {
  color: #6b7280;
}

body.dark-mode .neumorphic-toggle .neumorphic-toggle-track {
  background: var(--surface-2);
  box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);
}

body.dark-mode .neumorphic-toggle .neumorphic-toggle-thumb {
  background: linear-gradient(145deg, #2e3239 0%, #22252a 100%);
  box-shadow: 4px 4px 8px var(--shadow-dark), -2px -2px 6px var(--shadow-light);
}

body.dark-mode .neumorphic-toggle[aria-checked="true"] .neumorphic-toggle-track {
  box-shadow: inset -2px -2px 4px rgba(0, 0, 0, 0.3), inset 2px 2px 4px rgba(255, 255, 255, 0.08);
  background: #22c55e;
}

body.dark-mode .neumorphic-toggle[aria-checked="true"] .neumorphic-toggle-thumb {
  box-shadow: 2px 2px 6px var(--shadow-dark), -1px -1px 4px var(--shadow-light);
  background: linear-gradient(145deg, #2e3239 0%, #22252a 100%);
}