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

html {
  font-size: var(--font-size);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--background);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  line-height: 1.5;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

ul {
  list-style: none;
}

p {
  line-height: 1.7;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--white);
}

h1 {
  font-size: clamp(2rem, 5vw, var(--text-5xl));
  font-weight: var(--fw-bold);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, var(--text-3xl));
  font-weight: var(--fw-semibold);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--text-2xl);
  font-weight: var(--fw-semibold);
  line-height: 1.3;
}

h4 {
  font-size: var(--text-xl);
  font-weight: var(--fw-medium);
  line-height: 1.4;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fade-in 0.6s ease-out forwards;
}

.animate-fade-in-up {
  animation: fade-in-up 0.8s ease-out forwards;
  opacity: 0;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }