:root {
  /* Colors */
  --primary: #f7f5f0;
  --on-primary: #2b2622;
  --ink: #f7f5f0;
  --body: #c9c0ad;
  --body-strong: #dad2c1;
  --mute: #aea69c;
  --canvas: #2b2622;
  --canvas-soft: #383330;
  --hairline: #3f3a36;

  /* Typography */
  --font-inter: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "DM Mono", ui-monospace, SFMono-Regular, monospace;
  --font-serif: "Instrument Serif", Georgia, serif;

  /* Spacing */
  --spacing-xxs: 2px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 10px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 48px;
  --spacing-4xl: 64px;
  --spacing-5xl: 96px;

  /* Border Radius */
  --rounded-none: 0px;
  --rounded-xxs: 1px;
  --rounded-xs: 2px;
  --rounded-sm: 3px;
  --rounded-md: 4px;
  --rounded-lg: 6px;
  --rounded-full: 9999px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--canvas);
  color: var(--body);
  font-family: var(--font-inter);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.main-content {
  flex: 1;
}

.hero-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) 0;
}

/* Typography Classes */
.display-xl {
  font-family: var(--font-inter);
  font-size: 64px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.6px;
  color: var(--ink);
}

.display-md {
  font-family: var(--font-inter);
  font-size: 32px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.8px;
  color: var(--ink);
}

.display-sm {
  font-family: var(--font-inter);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.33;
  letter-spacing: -0.4px;
  color: var(--ink);
}

.body-lg {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.55;
}
.body-md {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
}
.body-md-strong {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
}
.body-sm {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--body);
}

.code {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--ink);
}

a {
  text-decoration: none;
  color: inherit;
}

/* Layout & Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}
.mb-md {
  margin-bottom: var(--spacing-md);
}
.mb-lg {
  margin-bottom: var(--spacing-lg);
}
.mb-xl {
  margin-bottom: var(--spacing-xl);
}
.mb-2xl {
  margin-bottom: var(--spacing-2xl);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}
.mt-3xl {
  margin-top: var(--spacing-3xl);
}

.flex {
  display: flex;
}
.flex-col {
  display: flex;
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-sm {
  gap: var(--spacing-sm);
}
.gap-md {
  gap: var(--spacing-md);
}
.gap-lg {
  gap: var(--spacing-lg);
}
.text-center {
  text-align: center;
}

.grid {
  display: grid;
}
.grid-2 {
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-xl);
}
.grid-3 {
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Components */
.nav-bar {
  background-color: var(--canvas);
  color: var(--ink);
  padding: var(--spacing-md) var(--spacing-xl);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-bar .logo {
  font-size: 14px;
  font-weight: 500;
}

.hero-band {
  background-color: var(--canvas);
  padding: var(--spacing-5xl) 0;
}
.hero-band h1 {
  margin: 0 0 var(--spacing-lg) 0;
}
.hero-band p {
  max-width: 800px;
  margin: 0 0 var(--spacing-lg) 0;
}

.button-primary {
  background-color: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--rounded-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  display: inline-flex;
  align-items: center;
  transition: opacity 0.2s;
  cursor: pointer;
}
.button-primary:hover {
  opacity: 0.9;
}

.button-secondary-ghost {
  background-color: var(--canvas);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--rounded-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  display: inline-flex;
  align-items: center;
  transition: background-color 0.2s;
  cursor: pointer;
}
.button-secondary-ghost:hover {
  background-color: var(--canvas-soft);
}

.card-content {
  background-color: var(--canvas-soft);
  color: var(--ink);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-md);
  padding: var(--spacing-xl);
  transition: border-color 0.2s;
}
.card-content:hover {
  border-color: var(--mute);
}

.screenshot-card {
  background-color: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-md);
}
.screenshot-card img {
  width: 100%;
  height: auto;
  border-radius: var(--rounded-md);
  border: 1px solid var(--hairline);
  margin-bottom: var(--spacing-md);
  display: block;
}

.list-item {
  padding: var(--spacing-sm) 0;
  display: flex;
  align-items: flex-start;
}
.list-item .bullet {
  color: var(--primary);
  margin-right: var(--spacing-md);
  font-weight: 500;
}

.badge {
  display: inline-block;
  background-color: var(--canvas);
  border: 1px solid var(--hairline);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--rounded-xs);
  font-family: var(--font-mono);
  font-size: 13px;
  margin-right: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
  color: var(--ink);
}

.section {
  padding: var(--spacing-4xl) 0;
  border-top: 1px solid var(--hairline);
}
.section:first-of-type {
  border-top: none;
  padding-top: 0;
}

footer {
  background-color: var(--canvas);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--hairline);
}

/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s cubic-bezier(0.22, 1, 0.36, 1), transform 1s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}