/* ========================
   Variables
   ======================== */
:root {
  --color-bg: #ffffff;
  --color-text: #111111;
  --color-muted: #666666;
  --color-accent: #0055ff;

  --font-sans: system-ui, -apple-system, sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;

  --max-width: 1200px;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

a:hover {
  text-decoration: underline;
}

/* ========================
   Layout
   ======================== */
header,
main,
footer {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--spacing-md);
}

main {
  flex: 1;
}

/* ========================
   Nav
   ======================== */
header {
  padding-block: var(--spacing-sm);
  display: flex;
  align-items: center;
}

.logo {
  display: inline-flex;
}

/* ========================
   Hero
   ======================== */
.hero {
  padding-block: var(--spacing-lg);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
}

.hero p {
  font-size: 1.125rem;
  color: var(--color-muted);
}

/* ========================
   Footer
   ======================== */
footer {
  padding-block: var(--spacing-md);
  border-top: 1px solid #e5e5e5;
  font-size: 0.875rem;
  color: var(--color-muted);
}