:root {
  --bg-color: #faf9f5;
  --brand-ink: #141413;
  --brand-soft: #bcd1ca;
  --font-anthropic-sans: "DM Sans", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-anthropic-serif: "DM Sans", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-anthropic-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-anthropic-sans);
  background-color: var(--bg-color);
  color: var(--brand-ink);
  margin: 0;
  overflow-x: hidden;
}

.serif {
  font-family: var(--font-anthropic-serif);
  font-weight: 600;
}

.dot-grid {
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E"),
    radial-gradient(circle at 18% 16%, rgba(188, 209, 202, 0.18), transparent 30rem),
    linear-gradient(135deg, rgba(250, 249, 245, 0.64), rgba(240, 238, 230, 0.52));
  background-size: 180px 180px, 100% 100%, 100% 100%;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { max-height: 0; opacity: 0; }
  to { max-height: 2000px; opacity: 1; }
}

@keyframes scrollLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes scrollRight {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

@keyframes bouncePixel {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes loader-spin {
  to { transform: rotate(360deg); }
}

@keyframes loader-spin-reverse {
  to { transform: rotate(-360deg); }
}

@keyframes loader-breathe {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(0.92); }
}

@keyframes loader-fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes loader-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.animate-fadeIn {
  animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-slideDown {
  animation: slideDown 0.5s ease-out forwards;
}

.animate-scroll-left {
  animation: scrollLeft 30s linear infinite;
}

.animate-scroll-right {
  animation: scrollRight 30s linear infinite;
}

.animate-bounce-pixel {
  animation: bouncePixel 0.4s steps(2) infinite;
}

button,
[role="button"] {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--brand-ink);
  outline-offset: 2px;
  border-radius: 8px;
}

.skeleton {
  background: linear-gradient(90deg, rgba(20,20,19,0.04) 25%, rgba(20,20,19,0.08) 50%, rgba(20,20,19,0.04) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: 12px;
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #faf9f5;
}

::-webkit-scrollbar-thumb {
  background: #faf9f5;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: #bcd1ca;
}

.app-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #faf9f5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s cubic-bezier(0.4,0,0.2,1);
}

.app-loader__mark {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-loader__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--brand-ink);
  border-right-color: var(--brand-ink);
  animation: loader-spin 1.2s cubic-bezier(0.5,0,0.5,1) infinite;
  opacity: 0.7;
}

.app-loader__ring--reverse {
  inset: 6px;
  border-top-color: transparent;
  border-right-color: transparent;
  border-bottom-color: var(--brand-ink);
  border-left-color: var(--brand-ink);
  animation: loader-spin-reverse 1.6s cubic-bezier(0.5,0,0.5,1) infinite;
  opacity: 0.5;
}

.app-loader__logo {
  width: 36px;
  height: 36px;
  animation: loader-breathe 2s ease-in-out infinite;
  position: relative;
  z-index: 1;
}

.app-loader__brand {
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  animation: loader-fadeUp 0.6s ease-out both 0.2s;
}

.app-loader__brand-main {
  font-family: var(--font-anthropic-sans);
  font-weight: 700;
  font-size: 14px;
  color: var(--brand-ink);
}

.app-loader__brand-sub {
  font-family: var(--font-anthropic-sans);
  font-weight: 400;
  font-size: 14px;
  color: rgba(20,20,19,0.34);
}

.app-loader__bar {
  margin-top: 16px;
  width: 120px;
  height: 2px;
  background: rgba(20,20,19,0.08);
  border-radius: 2px;
  overflow: hidden;
  animation: loader-fadeUp 0.6s ease-out both 0.4s;
}

.app-loader__bar-fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,var(--brand-ink),var(--brand-soft),var(--brand-ink));
  background-size: 200% 100%;
  animation: loader-shimmer 1.5s ease-in-out infinite;
  border-radius: 2px;
}

.noscript-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
  font-family: var(--font-anthropic-sans);
  color: var(--brand-ink);
}

.noscript-cta {
  margin-top: 40px;
}

.noscript-footer {
  color: var(--brand-ink);
  font-size: 12px;
}