/* Modern CSS reset */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

a, button, input, select, textarea, .btn, .nav-link {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: var(--sp-2);
  overflow-wrap: break-word;
  word-break: normal;
}

h1 {
  font-family: var(--font-heading);
  font-size: var(--fs-hero);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--color-dark);
}

h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-5xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--color-dark);
}

h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

h4 {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

p {
  margin-top: 0;
  margin-bottom: var(--sp-2);
}

.lead {
  font-size: var(--fs-lg);
  color: var(--color-muted);
  line-height: 1.8;
  max-width: 680px;
}

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

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

::selection {
  background: var(--color-accent);
  color: white;
}

body.menu-open {
  overflow: hidden;
}