:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --bg-soft: #0d1117;
  --surface: #10151b;
  --surface-raised: #121923;
  --surface-hover: #161d26;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --text-soft: #cbd5e1;
  --accent: #ffffff;
  --accent-strong: #e2e8f0;
  --accent-soft: rgba(255, 255, 255, 0.12);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.34);
  --shadow-sm: 0 8px 18px rgba(0, 0, 0, 0.18);
  --shadow-md: 0 18px 42px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 28px 70px rgba(0, 0, 0, 0.35);
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --fs-hero: clamp(3rem, 6vw, 5.5rem);
  --fs-h1: clamp(2.5rem, 5vw, 4.5rem);
  --fs-h2: clamp(2rem, 4vw, 3rem);
  --fs-h3: clamp(1.25rem, 2.2vw, 1.65rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 16px;
  --sp-4: 24px;
  --sp-5: 32px;
  --sp-6: 48px;
  --sp-7: 64px;
  --sp-8: 96px;
  --sp-9: 128px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;
  --container: 1240px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --fast: 160ms;
  --medium: 260ms;
  --slow: 400ms;
}

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  font-feature-settings: "cv11", "ss01";
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(17, 24, 39, 0.58), rgba(11, 15, 20, 0) 420px),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition:
    background var(--medium) var(--ease),
    color var(--medium) var(--ease);
}

body::selection {
  color: #041014;
  background: var(--accent);
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
  height: auto;
}

p,
h1,
h2,
h3,
h4,
ul,
ol,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4 {
  line-height: 1.08;
  color: var(--text);
}

h1 {
  font-size: var(--fs-h1);
  font-weight: 800;
}

h2 {
  font-size: var(--fs-h2);
  font-weight: 650;
}

h3 {
  font-size: var(--fs-h3);
  font-weight: 620;
}

h4 {
  font-size: 0.9rem;
  font-weight: 650;
}

p {
  color: var(--text-muted);
  max-width: 72ch;
}

strong {
  color: var(--text-soft);
  font-weight: 650;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 2000;
  transform: translateY(-140%);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #041014;
  font-weight: 700;
  transition: transform var(--fast) var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.accent {
  color: var(--accent);
}

.muted {
  color: var(--text-muted);
}

.icon {
  width: 1.08em;
  height: 1.08em;
  flex: 0 0 auto;
  fill: currentColor;
}