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

:root {
  --color-bg: #ffffff;
  --color-text: #52525c;
  --color-text-secondary: #6e6e73;
  --color-accent: #0071e3;
  --color-accent-hover: #0077ed;
  --color-border: #d2d2d7;
  --color-surface: #f5f5f7;
  --max-width: 980px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: #000000;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Canvas */
.canvas-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.canvas-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Header */
header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0 2rem;
  background: #000000;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: #52525c;
  letter-spacing: -0.02em;
}

nav a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  margin-left: 2rem;
}

nav a:hover {
  color: #ffffff;
  text-decoration: none;
}

/* Hero */
.hero {
  text-align: center;
  padding: 3rem 2rem 2rem;
  background: #000000;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
  color: #52525c;
}

.hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.5);
  max-width: 600px;
  margin: 0 auto;
}

/* Sections */
section {
  padding: 4rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

section h2 {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

section p {
  color: var(--color-text-secondary);
  max-width: 680px;
  line-height: 1.7;
}

section p + p {
  margin-top: 1rem;
}

/* About grid */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.about-card {
  background: var(--color-surface);
  border-radius: 12px;
  padding: 2rem;
}

.about-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.about-card p {
  font-size: 0.9375rem;
}

/* Contact */
.contact-info {
  margin-top: 1.5rem;
}

.contact-info dt {
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  margin-top: 1.25rem;
}

.contact-info dd {
  margin-top: 0.25rem;
  font-size: 1rem;
}

/* Footer */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
  background: #000000;
}

footer a {
  color: rgba(255, 255, 255, 0.4);
  margin: 0 0.75rem;
}

footer a:hover {
  color: #ffffff;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-links {
  margin-top: 0.5rem;
}

/* About page */
.about {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
  flex: 1;
}

.about h1 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: #52525c;
}

.about p {
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.8;
  max-width: 680px;
}

.about p + p {
  margin-top: 1.25rem;
}

/* Policy pages */
.policy {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

.policy h1 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.policy .updated {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 2.5rem;
}

.policy h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.policy p,
.policy li {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.policy p + p {
  margin-top: 0.75rem;
}

.policy ul {
  margin: 0.75rem 0;
  padding-left: 1.5rem;
}

.policy li {
  margin-bottom: 0.375rem;
}

/* Responsive */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.0625rem;
  }

  nav a {
    margin-left: 1.25rem;
    font-size: 0.8125rem;
  }

  section {
    padding: 3rem 1.5rem;
  }
}