/* Base Styles */
body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Typography Scale */
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.subheading {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.body-text {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  font-weight: 400;
  line-height: 1.7;
}

.caption {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Text Colors */
.text-primary { color: var(--color-text); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent); }

/* Section Spacing */
.section {
  padding: var(--section-padding) 0;
}

.section--alt {
  background-color: var(--color-bg-secondary);
}

/* Links */
a {
  transition: color var(--transition-base);
}

/* Selection */
::selection {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

/* Scroll Reveal (JS drives opacity + transform per frame) */
.reveal {
  opacity: 0;
  transform: translate3d(0, 56px, 0);
  will-change: transform, opacity;
  backface-visibility: hidden;
}

.reveal.revealed {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  will-change: auto;
}

/* Visually Hidden (accessibility) */
.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;
}